Chilling new details about alleged killer Rex Heuermann.

Tim Bliefnick, a former contestant on the game show "Family Feud," was arrested, charged and convicted for the February 2023 murder of his estranged wife, Becky Bliefnick. Now, in his first TV interview after a jury found him guilty. 

Becky Bliefnick was found dead in her Quincy, Ill., home. She was shot multiple times. The case generated media attention when it was revealed that nearly two years before the couple separated, Tim Bliefnick appeared on "Family Feud." During the show, host Steve Harvey said to Bliefnick, "All right, Tim, we talked to 100 married people. What's the biggest mistake you made at your wedding?