Killer in Plain Sight S02 E09 A Crazed Killer

"One killer... Multiple suspects... But nothing is what it seems."

When Mark Winger shoots and kills an intruder who was violently attacking his wife, he is hailed by the public as a tragic hero. The case is quickly closed as a justifiable homicide, but for police, there's one piece of evidence that isn't adding up. [also shown as S1:E30]