Evil Lives Here (2016)

S16E4 Ted Bundy Was His Idol

Debra notices a troubling darkness in her younger brother's gaze but clings to the hope that he will improve. When he violently confronts their stepmother and grandmother, she chooses to overlook his denial. But as he evolves into a feared serial killer, Debra is forced to confront the painful truth: her brother has become a true monster.