On the Friday of Memorial Day weekend in 1996, Kristin Smart, a freshman at California Polytechnic University, set out with friends for a night of fun, later hanging out at an off-campus party until ...

'People Magazine Investigates' goes inside the case of 19-year-old Kristin Smart, who disappeared after attending an off-campus college party in 1996 Axel Koester/Sygma via Getty On the Friday of ...