What Happened in Apt. 1601?
S29, E25: Three friends walk into a studio apartment, and only two come out alive. At least one of them is a killer, but which one? "48 Hours" correspondent Richard Schlesinger investigates.

S29, E25: Three friends walk into a studio apartment, and only two come out alive. At least one of them is a killer, but which one? "48 Hours" correspondent Richard Schlesinger investigates.