True crime. Real justice. "48 Hours" is the one to watch on Saturday nights. *10/9c.: The Puzzling Death of Susann Sills: The wife of a fertility doctor is found dead at the bottom of a staircase.

Mac Marquette is back in court on Tuesday for an immunity hearing. His defense is looking to convince a judge of his self-defense in the death of Steve Perkins. Earlier this week, state lawmakers ...