2 back-to-back episodes of "48 Hours" Saturday April 23, 2016

48 HOURS on CBS. There will be 2 episodes this week beginning Saturday at 9/8 p.m. "Obsessed" is a new episode & if it sounds familiar - it should. "20/20" on ABC did a report on this last year.

CBS says, "All-new: A lawyer shot -- his girlfriend admits she pulled the trigger and then dances in a strange police video -- was it self-defense or love gone bad? Correspondent Peter Van Sant investigates."