Signs of a Psychopath (2020)

S11E4 Violence Is What I'm Fixed On

On a night meant for fun, a mother of three disappears without a trace. As detectives dig deeper, they unravel the twisted fantasies of a sexual predator whose obsessions turned lethal. Days pass before a grim discovery shocks everyone—her lifeless body is found hidden in her own septic tank. The calculated cruelty of the killer's choice of concealment leaves even seasoned investigators horrified, exposing a chilling disregard for human life that defies comprehension.