Mass Murderer Killers

William Parente was an American financial advisor who murdered his wife and two children in Pennsylvania in 2009 before taking his own life. The killings were linked to financial fraud and mounting personal pressures. The case shocked the community due to the seemingly stable family background and the sudden escalation into violence. It remains an example of familicide associated with financial collapse.

William Suff is a serial killer featured in the episode

Willy Inmon is identified as a 'vigilante killer' in the title of the episode, suggesting he committed acts of violence under the belief of enforcing law and order.

Winston Moseley is the perpetrator who fatally shot Kitty Genovese in a 1964 attack, infamously known as 'The 911 Killer'.

Wolfgang Schmidt is a serial killer featured in the episode.

Yaser Abdel Said is a person who committed the crime of killing his daughters for dating American men.

Zacharie Borton is a subject of police interrogation, implying he may have committed a crime.