A woman known as Dorothea Puente runs a boarding house for those less fortunate, but her seeming benevolence belies motives that are much darker.

When college student Maribel Ramos goes missing, detectives turn their focus to her roommate, K.C. Joy — the last person to have seen her alive.

Charismatic athlete Youssef Khater commits fraud across several countries — a series of schemes culminating in violent attacks on multiple people.

Former roommates of "serial squatter" Jamison Bachman discuss how this dark, dangerous man conned his way into their homes and then refused to leave.

Bachman's old roommates recount the steps they took to try to force him from their homes, his harsh retaliations, and the painful saga's tragic end.

Rachel and Janie were longtime best friends turned roommates. But as Janie's obsession with raising Rachel's young son grew, so did her killer instincts.

Seeking tenants for her Palm Springs home, retiree Anita Cowen takes in charming lawyer Scott Pettigrew, but the arrangement takes a terrifying turn.

Veteran James "Bo" Bowden moves in with his army friend's widow, Tammy, to help care for her son and soon experiences a series of deadly "accidents."

A viral TikTok video sends detectives to the home of Michael Dudley, a Seattle man who rented out a room to a young couple never to be seen again.