Tim Novak and Chris Fusco talk about their investigation and how the case developed.

David Koschman was a 21-year-old enjoying a night out on Rush Street.

Richard J. “R.J.” Vanecko is named after his grandfather, the late Richard J. Daley.

Former U.S. Attorney Dan K. Webb was brought on as a special prosecutor.

Cook County judge Michael P. Toomin blasted police and prosecutors for handling of case.