Season Premiere of '48 Hours' Saturday Sept. 24, 2016

48 HOURS on CBS. The new episode is called, "Killer App" which will air Saturday at 10/9 p.m. This is the 29th TV Season Premiere.

CBS says, "All-new: Was a teenage girl lured to her death with a few keystrokes on a smartphone app? '48 Hours' correspondent Peter Van Sant investigates."