Serial KillerSolved

Ted Bundy

Seattle, Washington, United StatesJanuary 4, 1974

Ted Bundy was one of the most notorious and charismatic serial killers in American history, using his intelligence, charm, and good looks to gain the trust of victims before attacking them. During the 1970s he kidnapped, raped, and murdered numerous young women across multiple states, confessing shortly before his execution to 30 homicides committed in seven states between 1974 and 1978. Investigators believe the true number may be considerably higher.

Bundy's crimes spanned the country from the Pacific Northwest through Utah, Colorado, and Florida. He escaped from custody twice — once from a courthouse law library in Aspen and once from a county jail in Glenwood Springs — and was at large for a combined period that allowed him to commit additional murders. His second escape culminated in the January 1978 Chi Omega sorority house attack in Tallahassee, Florida, in which he bludgeoned four women and killed two, and the subsequent abduction and murder of twelve-year-old Kimberly Leach.

Bundy was convicted in Florida of the sorority house murders and the Leach murder in two separate trials, both of which he attended as his own attorney — a decision widely seen as an exercise in narcissistic control. He was sentenced to death three times. On death row he gave extensive interviews to investigators and journalists, and began confessing to murders as his execution date approached — confessions many believe were deliberately incomplete to extend negotiations.

He was executed in Florida's electric chair on January 24, 1989. His execution attracted a crowd of supporters and protesters outside the prison. Bundy's case had a lasting influence on American criminal justice, contributing directly to the development of the FBI's behavioral science unit and the concept of the organized serial killer. He remains a subject of intense cultural fascination, having inspired dozens of books, films, and documentaries.

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Wichita, Kansas

Dennis Rader, known as BTK — an acronym he coined himself for "Bind, Torture, Kill" — murdered ten people in the Wichita, Kansas area between 1974 and 1991. He first came to public attention by sending letters to newspapers after his early murders, taunting police and demanding coverage. His crimes then went cold for over a decade, during which Rader lived as a seemingly normal family man — a church president, a Cub Scout leader, and a city compliance officer — while investigators had no leads and the public had largely moved on. Rader resumed contact with police in 2004 after a book about the BTK case was published, apparently aggrieved that it had not given him sufficient credit. He sent increasingly elaborate packages to media and police, including photographs, poems, and mock crime scene materials. In a fatal miscalculation, he asked police via letter whether a floppy disk could be traced. Police publicly replied it could not. He sent a disk. Metadata on the disk led investigators to his church and to Rader himself. He was arrested in February 2005. His confession was extraordinarily detailed and delivered in a flat, bureaucratic manner that horrified the courtroom and watching public. He described the murders methodically, using the term "projects" for his killings and referring to victims as "PJs" (projects). He was convicted of all ten murders and sentenced to ten consecutive life terms — Kansas had no death penalty at the time of his sentencing. BTK's case is studied extensively in behavioral criminology for several reasons: his long dormancy period, his compulsive need for recognition, his ability to compartmentalize his crimes from a functional family life, and his catastrophic error of vanity. His daughter, who had no knowledge of his crimes, gave DNA that helped confirm his identity. He remains incarcerated in Kansas.

Serial KillerSolved

The Golden State Killer

Visalia, California

Beginning in the mid-1970s and continuing through the 1980s, a predator operating across California committed an extraordinary series of crimes that would remain unsolved for over four decades. He was known by multiple names as his crimes evolved — the Visalia Ransacker, the East Area Rapist, the Original Night Stalker — before the cases were linked and he was collectively dubbed the Golden State Killer. He committed at least 13 murders, more than 50 sexual assaults, and over 100 residential burglaries across dozens of California communities. Investigators were long baffled by the perpetrator's intelligence and discipline. He would surveil neighborhoods for weeks before striking, disabling porch lights, unlocking windows, and memorizing the layouts of homes. During assaults, he often called victims on the phone before or after attacks, taunting them. He left minimal physical evidence, and although a DNA profile was developed from crime scenes, it matched no one in existing databases for decades. Victims, investigators, and true crime researchers spent years piecing together the case with little progress. The breakthrough came in 2018 through genetic genealogy — investigators uploaded the killer's DNA to the public ancestry website GEDmatch and traced distant relatives, eventually narrowing to Joseph James DeAngelo, a 72-year-old former police officer living in suburban Sacramento. DNA recovered from a discarded item confirmed the match. DeAngelo was arrested in April 2018. In 2020, he pleaded guilty to 13 counts of first-degree murder and admitted to the other crimes in exchange for life in prison without the possibility of parole. The Golden State Killer case transformed law enforcement's approach to cold cases, sparking widespread adoption of investigative genetic genealogy as a tool. It also sparked significant ethical and legal debates about privacy and the use of consumer DNA databases by law enforcement — debates that continue today. Author Michelle McNamara, who coined the name "Golden State Killer" and spent years investigating the case, died in 2016, two years before his capture; her posthumous book 'I'll Be Gone in the Dark' became a bestseller and critically acclaimed HBO documentary.

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Beginning in July 1982, a killer began targeting vulnerable women — many of them sex workers — along the Green River in King County, Washington. The first confirmed victims were found in and near the Green River south of Seattle. Despite an early and intensive investigation that at one point involved detectives interviewing a suspect named Gary Ridgway, the murders continued for years. Ridgway was briefly considered a suspect in 1983 but passed a polygraph and was released, allowing him to continue killing. By the late 1980s, the Green River Task Force had investigated over 40 murders. The investigation spanned nearly two decades. Detectives used every available forensic technique, interviewed thousands of people, and even consulted with convicted serial killer Ted Bundy, who offered his psychological insights from death row. Despite these efforts, the killer remained unidentified. Many of the victims were reported missing by family members who were sometimes dismissed by authorities, a failure that haunted the investigation for years. Gary Ridgway remained a peripheral suspect but nothing could be proven. The breakthrough came in 2001, when advances in DNA technology allowed forensic scientists to match evidence from victim crime scenes to Gary Ridgway, a truck painter who had lived and worked in the area for decades. Ridgway was arrested in November 2001. Faced with overwhelming DNA evidence, he agreed to a plea deal: in exchange for a life sentence rather than the death penalty, he would cooperate fully with investigators and lead them to the remains of victims whose fates were unknown. He pleaded guilty in 2003 to 48 murders — later revised to 49 — and provided information about additional victims, dump sites, and his methods over many years of interviews. Gary Ridgway is considered one of the most prolific serial killers in United States history. He is currently serving multiple consecutive life sentences without the possibility of parole. The case highlighted how serial killers exploit societal vulnerabilities, particularly the marginalization of sex workers and runaways, who were often not taken seriously as missing persons. The Green River case led to significant improvements in how law enforcement investigates missing persons reports, particularly for vulnerable populations.

Serial KillerSolved

Aileen Wuornos

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Aileen Wuornos was an American serial killer who murdered seven men along Florida highways between 1989 and 1990. Working as a sex worker along Interstate 75, she shot her victims — mostly middle-aged men who had picked her up — at close range with a .22-caliber pistol. Her case made her one of the few widely known female serial killers in American criminal history. Wuornos was arrested in January 1991 after investigators linked physical and ballistic evidence from the crime scenes to her. Her longtime companion Tyria Moore cooperated with police, and after secretly recorded phone conversations, Wuornos confessed to all seven murders. At trial she consistently maintained that every killing had been an act of self-defense, claiming each victim had assaulted or threatened to rape her. Juries rejected her self-defense claims and she was convicted of six murders, receiving the death penalty for each. In the months before her execution she gave several media interviews in which she recanted her earlier accounts, saying she had killed out of hatred rather than self-defense. She was executed by lethal injection on October 9, 2002, in Florida at age 46. Her case sparked enduring debate about how the justice system treats women who kill, particularly those who are impoverished, marginalized, or abuse survivors. Charlize Theron won the Academy Award for Best Actress for her portrayal of Wuornos in the 2003 film Monster, introducing her story to a new generation.

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