Watch Serial Killer Psyche: The Horror Within (2022) : Full Movie Online Free What creates a serial killer? Many were deeply affected by unimaginable life experiences that defy comprehension. Some were physically and mentally abused by loved ones during childhood, others exposed to the darkest aspects of humanity changing them into monsters, while some have a genetic bias toward extinguishing the life of others. Explore the horror within the individuals that commit the most heinous acts of murder and violence.