1. Kentucky - Donald Harvey
Donald Harvey, an Ohio native, crossed state lines and found his haunting legacy in the serene grounds of Kentucky's Marymount Hospital. Settling into this unsuspecting environment, between the years 1970 and 1987, Harvey orchestrated a chilling symphony of tragedy.Image Source: kyhi.org
Born in Ohio, American serial killer Donald Harvey spent much of his life living and working in Kentucky, at the Marymount Hospital. There, between 1970 and 1987, he began killing patients by purposely cutting off their oxygen supplies. His total victim count stands at between 37 and 57 patients, which gained him the title 'angel of death'.Original content sourced from Femanin.com2. New York - David Berkowitz
In the blistering heat of a New York summer, the city's heartbeat quickened with fear as the enigmatic figure known as the Son of Sam, born David Berkowitz in the borough of Brooklyn, unleashed a reign of terror that plunged the metropolis into a state of unrelenting dread.Image Source: history.com
Calling himself the Son of Sam, Brooklyn native David Berkowitz terrorised New York in the summer of 1977. Despite a huge man hunt and media attention, he managed to escape capture and patronised the police in mocking letters. In total, he killed eight people, but the psychological affects of his killings on the city were far greater.3. Illinois - John Wayne Gacy
John Wayne Gacy's name echoes through the corridors of infamy, etched in the annals of America's most haunting narratives. Nestled within the heartland of Illinois, Gacy crafted a chilling legacy that transcended the bounds of horror in history.Image Source: chicagotribune.com
John Wayne Gacy is one of America's most notorious serial killers, who murdered 33 young boys and men in Illinois starting in the early 1970s. He killed all of his victims in his home before storing the bodies in the crawl space between the foundations and the ground floor. Gacy is also known as the 'Clown Killer', as he met many of his victims at children's parties where he dressed up as a clown.4. Maine - Christian Nielsen
Christian Nielsen's story, rooted in the quaint landscapes of Maine, took a grotesque turn during a fateful Labor Day weekend celebration, morphing into a tale of inexplicable horror that continues to baffle law enforcement to this day. An unassuming cook in a local restaurant.Image Source: thecinemaholic.com
A cook at a restaurant in Maine, Christian Nielsen was convicted in 2007 of killing four people during a Labor Day weekend celebration. He killed his victims over a two day period and dismembered their bodies with a chain saw, hacksaw, and axe. To this day, the police don't understand why he did it.5. Louisiana - Derrick Todd Lee
Derrick Lee, etched in the grim chronicles of Baton Rouge, Louisiana, earned a chilling epithet—the Baton Rouge Serial Killer—a title that resonates with a foreboding air, encapsulating the magnitude of his menace. From 1992 to 2003, Lee's shadow loomed over the city.Image Source: theadvocate.com
Derrick Lee is widely known as the Baton Rouge Serial Killer, which should tell you enough about his danger level. He murdered seven women around Baton Rouge between 1992 and 2003, and was only convicted in 2004. During the manhunt for Lee, he was placed at number three on the list of American's top 10 fugitives of 2002.6. Pennsylvania - Harvey Miguel Robinson
Harvey Robinson's descent into infamy began at an alarmingly tender age, etching his name into the harrowing annals of American criminal history. In the quiet neighborhoods of Pennsylvania, this young man charted a path of unfathomable darkness.Image Source: allthatsinteresting.com
Harvey Robinson is one of the youngest serial killers in America's history, and certainly one of the most dangerous people from Pennsylvania (he is still imprisoned on death row today). He started killing aged just 17, and eventually killed three women and attempted to kill a further two.7. California - Thomas Silverstein
Thomas Silverstein's journey into the depths of the American penal system commenced with a brush with the law—a chapter entwined with armed robbery, an act that marked the beginning of a life cloaked in shadows. What began as a brush with criminality alongside his father and cousin soon spiraled.Image Source: allthatsinteresting.com
Thomas Silverstein spent 42 years in prison after being arrested for armed robbery along with his father and cousin. In prison, he developed a reputation as a dangerous and lethal killer, and eventually was put in solitary confinement at a high-security prison for 32 years after killing a Correction Officer.8. Texas - Clyde Thompson
Clyde Thomas, a name etched in the chilling echelons of Texas folklore, transcended the ordinary contours of criminality to earn a title that reverberated with dread—the "Meanest Man in Texas." His notoriety wasn't merely confined to a life marked by ruthless killing sprees, either...Image Source: txliving.com
Clyde Thomas is known as the "Meanest Man in Texas" for his ruthless killing sprees, which took place even while he was incarcerated. By 1935, he had received three life sentences, and spent time in a prison known as Little Alcatraz for holding only the most dangerous killers.9. Florida - Daniel Harold Rolling
Daniel Rolling's name casts a haunting shadow over the serene campus of the University of Florida, forever intertwined with a chilling narrative that transcends the confines of mere criminality. His gruesome acts of violence not only stained the grounds...Image Source: aetv.com
Daniel Rolling is such a prolific murderer that he is said to have inspired the Scream films. In 1990, Rolling began a violent killing spree on the campus on University of Florida, killing five students in just four days. He even mutilated the bodies to keep souvenirs from his killings.10. Virginia - Charles Stanard Severance
Charles Severance's reign of terror shattered the tranquility of Alexandria, Virginia, leaving a trail of unfathomable horror that defied the norms of safety and community. What set his crimes apart wasn't just the callousness of his actions, but the audacity to commit them in broad daylight.Image Source: wtop.com
Charles Severance's crimes are somehow even more horrifying because he killed in broad daylight, scaring neighbours throughout the city of Alexandria, Virginia. Horrifically, he would knock on a stranger's door and immediately shoot them with his gun. In total, he killed three times and was sentenced to life in prison plus 48 years.11. Alaska - Robert Hansen
Robert Hansen's menacing presence cast a foreboding shadow over the rugged and isolated terrain of Alaska, earning him the ominous moniker "Butcher Baker." Within this frozen landscape, Hansen's actions etched a chilling saga of violence and depravity that rattled the very foundation of Anchorage and its surrounding areas.Image Source: allthatsinteresting.com
Robert Hanson was also known as "Butcher Baker", as is most certainly one of the most dangerous people from the isolated state of Alaska. Between 1971 and 1983, Hansen raped and murdered at least 17 women in and around Anchorage, but it's suggested that he assaulted over 30.12. Georgia - Wayne Williams
Wayne Williams, a haunting figure in the annals of Georgia's history, stands as a spectral reminder of one of the most chilling periods in Atlanta's past—the era known for the harrowing chapter of the Atlanta Child Murders. From 1979 to 1981, this enigmatic figure lurked in the shadows.Image Source: womenshealthmag.com
There's nobody who even comes close to Wayne Williams when it comes to the most dangerous person in Georgia. He is suspected of committing many of the so-called Atlanta Child Murders between 1979 and 1981. He was eventually only convicted of two, but after he was put away, the murders stopped.13. Utah - Gary Ridgway
Gary Ridgway's name is etched in the harrowing chronicles of American serial killers, his infamy transcending state lines to become a chilling embodiment of evil. Dubbed the Green River Killer, his reign of terror in Washington unraveled a saga of unspeakable horror.Image Source: arrowintmedia.com
Gary Ridgway is probably one of the most dangerous people in the US, never mind in Utah. Called the Green River Killer, he was convicted of 48 murders in Washington, mainly of teenage girls and women. His main MO was strangling, though he would sometimes have his victims run from him in the woods near his house so he could 'hunt' them.14. Washington - Robert Lee Yates
Robert Lee Yates Jr.'s nefarious presence cast a haunting shadow over the state of Washington, particularly Spokane, etching a gruesome chapter in the annals of the region's history. His callous actions unfolded within the dark underbelly of society, targeting vulnerable women.Image Source: thatslife.com
Yates killed at least 11 women in Washington, most of which were sex workers working in Spokane. He killed most of his victims by shooting them in the head, before dumping the bodies in rural areas. The aftermath of his brutality unfolded in rural landscapes.15. Massachusetts - Alfred Gaynor
Image Source: dailymail.co.uk
Alfred Gaynor started his killing spree in 1995, when he killed a 45-year-old woman in her own apartment. After that, he started killing more regularly, a few women each year, often raping them as well. He was finally arrested in 1998 and received four life sentences.16. Ohio - Anthony Sowell
The name "Cleveland Strangler," Anthony Sowell, became synonymous with a chilling narrative that shook the very foundations of Cleveland, Ohio. His sinister acts unfolded in the shadows, hidden from the gaze of the community until a horrifying revelation laid bare the extent of his depravity.Image Source: wykc.com
The "Cleveland Strangler", Anthony Sowell killed 11 women around Cleveland, Ohio. In the end, his crime was only discovered when bodies were uncovered in the backyard of his home. We can't imagine how grisly this must have been for the police officers who found it.17. New Jersey - Charles Cullen
Charles Cullen's name looms ominously in the corridors of healthcare, a chilling figure whose role as a hospital worker was overshadowed by a hidden malevolence. His actions echoed the haunting narrative of the 'angel of death,' Donald Harvey, as he became an unlikely harbinger of death.Image Source: stamfordadvocate.com
Like the 'angel of death' Donald Harvey, Charles Cullen was also a hospital worker who killed his own patients. Though police have officially linked him to 29 victims, they suggest that he could have killed up to 400 people - making him without a doubt the most dangerous person on this list.18. Arizona - Robert Comer
Robert Comer's notoriety in Arizona's criminal history epitomized the depths of danger and brutality. His name became synonymous with a chilling episode that culminated in the first execution of a prison inmate in the state since 2000, a testament to the gravity of his crimes and the threat he posed to society.Image Source: nbcnews.com
Robert Comer was deemed so dangerous, he was the first prison inmate to be put to death in Arizona since 2000. He was convicted of murder after the killing of camper Larry Pritchard near Apache Lake in Arizona in 1987. After stabbing Pritchard in the neck, Comer and his girlfriend stole some of their victims' belongings, including his dog.19. Michigan - Tamera Williams
Tamera Williams the chilling narrative unravels against the backdrop of Michigan, where the hunt for her escalates in the aftermath of the brutal murder of David Carter. His grisly fate, dismembered remains found along a desolate stretch of highway.Image Source: wxyz.com
Tamera Williams is still wanted for the brutal murder of her boyfriend, David Carter. This makes her one of the most dangerous people in Michigan right now. David's remains were found along a stretch of highway in Michigan - Tamera had killed and dismembered him. Now, rewards stand at $10,000 for information.20. South Carolina - Henry Louis Wallace
Henry Louis Wallace's reign of terror in South Carolina marked a period of unimaginable horror for the community, a dark chapter etched in the annals of American crime history. His monstrous acts targeted 11 black women, a string of brutalities that unfolded between 1990 and 1994.Image Source: aetv.com
Henry Louis Wallace is a serial killer who killed 11 black women in South Carolina between 1990 and 1994. His first victim was an 18-year-old student, whose body he dumped in a lake. He was finally arrested in March 1994, and over 12 hours he confessed to his horrific crimes.21. Oregon - Dayton Leroy Rogers
Dayton Rogers emerges as a shadowy figure, shrouded in infamy as the 'Molalla Forest Murderer,' an epithet etched in the harrowing tales of rural Oregon. His modus operandi, preying on vulnerable individuals, often s*x workers, paints a grim picture of a serial predator.Image Source: oregonlive.com
Dayton Rogers currently sits on death row in Oregon for his crimes. His nickname was the 'Molalla Forest Murderer', as he dumped many of his victims' bodies in rural forest in Molalla, Oregon. He would most often pick up prostitutes and kill them in the forest.22. Indiana - John Dillinger
The notorious John Dillinger—the flamboyant and charismatic leader whose exploits during the Great Depression colored the pages of American crime lore. Dillinger's larger-than-life persona blended with a cunning intellect and unparalleled skill, etching his name as a formidable figure.Image Source: fbi.gov
We're going back in time for this criminal. John Dillinger was the leader of the Dillinger Gang during the Great Depression, and was a well-known criminal with a colourful personality. However, he was also highly skilled, and he and his gang became some of the most dangerous people in Indiana at the time.23. Minnesota - Paul Michael Stephani
Paul Stephani's chilling reign of terror in the Minneapolis and Saint Paul areas during the 1980s left a community gripped by fear and uncertainty. However, what set his case apart was the haunting pattern that emerged after each heinous act—a remorseful and desperate call to the authorities.Image Source: wikimedia.org
Paul Stephani killed a number of women around Minneapolis and Saint Paul in the 1980s. Stephani's case is interesting, as he would often call up police after the murders and plead with them to find him, saying he couldn't stop killing. Because of this, he was known as the Weepy-Voice Killer, because of the remorseful way he would sound on the calls.24. Maryland - Joe Metheny
Image Source: alittlebithuman.com
Joe Metheny might be one of the scariest killers on this list, and is certainly one of the most dangerous people from Maryland. He is known to have killed five people, but the most shocking thing about his crime is that he frequently ate the flesh of his victims, and may have also cooked it into hamburgers which he sold to unwitting people.25. Tennessee - Michael Cummins
The tragic events that unfolded in April 2019 sent shockwaves through the heart of Tennessee, leaving a community shattered by an incomprehensible act of violence—the deadliest mass killing in over two decades. The heinous crime spree that ravaged Sumner County claimed the lives of eight victims.Image Source: wreg.com
In April 2019, the people of Tennessee were left reeling after the deadliest mass killing in over 20 years. In total, eight victims were found across Sumner County, including one which was headless. The killings were perpetrated by Michael Cummins, who is still waiting to stand trial owing to delays.26. Missouri - John Robinson
John Robinson's seemingly benign exterior masked a malevolent presence—one of the most sinister serial killers to emerge from Missouri. Behind the facade of an unassuming demeanor lay a dark and chilling reality, a reality that shattered lives and left a trail of devastation in its wake.Image Source: kansascity.com
He might look like a sweet man, but this is one of the deadliest serial killers to come from the state of Missouri. John Robinson was sentenced to death not once but twice and is thought to have killed many more than the three people he is convicted for. Many of his suggested victims vanished without a trace, and have still never been found.27. Oklahoma - Mikell Patrick Smith
Mikell Patrick Smith emerges as an enigmatic figure whose presence within an Oklahoma prison sends ripples of fear and apprehension through the system. His reputation as a lethal and remorseless individual garners him the chilling accolade of being dubbed the "most dangerous man" ever admitted to the state's prison.Image Source: tulsaworld.com
This one is confirmed - Mikell Patrick Smith has actually been described as the "most dangerous man" to ever be admitted to prison in Oklahoma. Since being admitted, he has killed multiple other inmates and prison guards, and had to have a special cell built for him because of his lethality.28. Connecticut - William Devin Howell
William Devin Howell's name reverberates through the annals of Connecticut's history as a chilling epitaph to the state's darkest chapters. His heinous acts, targeting vulnerable women in a haunting sequence of disappearances in 2003, unveiled a saga of unspeakable horror.Image Source: mirror.co.uk
William Devin Howell is widely known as one of the most dangerous people in Connecticut's history. His victims - all women - all disappeared in 2003, but some of their bodies weren't found until as late as 2015. In 2017, while already in prison for manslaughter, he was convicted of six life sentences, equalling 360 years in prison.29. Kentucky - Boone Helm
In historical narratives, some serial killers have been known to engage in cannibalistic acts, which adds an extra layer of macabre horror to their already gruesome crimes. The act of consuming their victims, whether for survival or sadistic pleasure, creates an unimaginable and chilling dimension to their atrocities.Image Source: wikimedia.org
The "Kentucky Cannibal" may be one of the earliest American serial killers, as well as one of the most dangerous people from Kentucky. As is obvious from his name, he's known for eating many of his murder victims, sometimes for survival but sometimes for plain enjoyment.30. Nevada - Patrick McKenna
Patrick McKenna emerges as a chilling figure within the confines of Nevada's prison system. His legacy, marked by an unparalleled tenure on death row and a disturbing trajectory of violence, paints a grim portrait of a man who descended into the abyss of criminality at a shockingly young age.Image Source: lvcriminaldefense.com
Patrick McKenna is widely known as Nevada's most dangerous prisoner. Before his death, he was the longest serving inmate on death row in the state, and was first sent to prison when he was just 14. During his time in prison, he killed a Correctional officer and his own cellmate.