Brothers Sisters Killers

Devin Patrick Kelley is the perpetrator of the deadliest mass shooting in Texas history, which occurred at a church in 2017

Devon Arthurs, a former Neo-Nazi, confessed to murdering his roommates in 2025.

Donald Blom is a serial killer, also known as The Chameleon, who is the subject of the documentary.

Dr. Donald Cline impregnated over 90 patients without their consent, resulting in multiple unwanted pregnancies.

Donald Davidson was sentenced to death for murdering a mother in 2026, 72 days after his prison release.

Donato Bilancia is known as Italy's worst serial killer.

Dorothea Puente, a landlady in California, is known for her crimes involving the deaths of multiple boarders between 1980 and 1990.