Mental Profile - Organized Offender

Stephanie Hudnall became the focus of a high-profile Oklahoma homicide investigation following the death of her husband, William "Bill" Hudnall, in June 2011. Although she initially claimed he had died from natural causes, investigators uncovered evidence that Bill had been intentionally poisoned. Following a lengthy investigation and trial, Stephanie Hudnall was convicted of first-degree murder and sentenced to life imprisonment.

Fotis Dulos became the focus of an internationally publicized criminal investigation after his estranged wife, Jennifer Dulos, disappeared from New Canaan, Connecticut, on May 24, 2019. Prosecutors alleged that Dulos murdered Jennifer during a contentious divorce and child custody dispute before attempting to dispose of evidence. He pleaded not guilty to all charges but died by suicide in January 2020 before his trial began. Jennifer Dulos has never been found and is legally presumed dead.

Brenton Harrison Tarrant became internationally known after carrying out the Christchurch mosque attacks on March 15, 2019. He attacked worshippers at two mosques in Christchurch, New Zealand, killing 51 people and injuring 40 others before being arrested by police. Tarrant later pleaded guilty to 51 counts of murder, 40 counts of attempted murder, and one terrorism charge. In 2020, he became the first person in New Zealand to receive a sentence of life imprisonment without the possibility of parole.

Herman Webster Mudgett, better known as H.H. Holmes, became one of America's earliest infamous serial killers after carrying out a series of murders during the late nineteenth century. Operating from a specially designed building in Chicago that later became known as the "Murder Castle," Holmes used deception, fraud, and false identities to lure victims. Although he confessed to 27 murders before his execution, historians believe the true number of victims remains uncertain. His case remains one of the most famous in American criminal history.

Richard Francis Cottingham became one of the most infamous serial killers in American history after murdering numerous women and girls in New York and New Jersey between 1967 and 1980. Known as the "Torso Killer" because several victims were dismembered, Cottingham targeted women he encountered in hotels, bars, and areas associated with sex work. Following his arrest in 1980, he was convicted of multiple murders and later confessed to additional killings, making him one of the most prolific identified serial killers in the northeastern United States.

Randy Steven Kraft became one of America's most infamous serial killers after murdering at least 16 young men and boys across California, Oregon, and Michigan between 1972 and 1983. Often referred to as the "Scorecard Killer" because of a coded list discovered in his possession after his arrest, Kraft is suspected by investigators of murdering more than 60 victims. Convicted of 16 murders, he was sentenced to death in California, where he remains incarcerated.

Arthur John Shawcross became one of America's most infamous serial killers after murdering 14 people in New York between 1972 and 1989. After serving a prison sentence for killing two children, Shawcross was released on parole and later went on to murder at least 12 women in the Rochester area. His crimes remained unsolved for several years before investigators linked him to the murders through surveillance, witness testimony, and forensic evidence. Shawcross was sentenced to 250 years in prison, where he remained until his death in 2008.