As Bam grapples with addiction, BJ attacks the motives of his conservator.

In 1981, 13-year-old Mary Day vanishes, and investigators suspect her stepfather may have killed her, but they never recover her body. Decades later, a woman claiming to be Mary appears, stirring suspicion and debate. Is this Mary Day or an imposter?

Master conman Nicholas Rossi fakes his death to evade justice, adopts new identities and leaves a trail of alleged crimes across continents. Now resurfaced as "Arthur Knight," he spins his most audacious con in court.

Jon and Carie Hallford's "Return to Nature" promises eco-friendly care but instead leaves bodies decomposing in filth and provides families with concrete instead of ashes. When investigators arrive, the Hallfords flee, leaving families demanding justice and answers.

Therapist Jodi Hildebrandt's crusade against masturbation drives a wedge between couples in crisis. She forms a dark alliance with Mormon mommy vlogger Ruby Franke, but a horrifying 911 call exposes the depths of their bizarre beliefs.