Parents whose son was kidnapped and murdered and a filmmaker team up to spotlight the 11-year-old's case and advocate for other missing children. Chris Newberry tells 20/20 publicity around a new billboard campaign helped spark an idea to work closely with the Wetterling family to create a documentary about their search for answers. Our newest 20/20 'Where Are You Jacob?' full episode examines the Wetterling case, the latest details from the family and how #JacobWetterling's life is honored today. Watch tonight (July 17th) at 9/8c on ABC. Stream this weekend on Disney+ and Hulu (S48, E31). #ABC2020 #TrueCrime #Investigation #Missing