Unusual SuspectsSeason 32012 · 13 episodesEpisodes1The Perfect FamilySeason 3 premiere. An attack on a Pennsylvania family that left only one survivor is discussed.2A Monstrous ActThe 1994 murder of Missy Grubaugh is discussed.3Murder on Miguel LaneThe murders of three Arlington, Texas, teenagers in 1985 and the subsequent homicide investigation are discussed.4Innocent BystanderThe 2002 slaying of a Brunswick, N.Y., couple is investigated.5Clairemont KillerInvestigators in San Diego search for a serial killer after six females are slain in 1990.6Left for DeadThe 1997 murder of Henry Caneva and the investigation that nabbed his killers are discussed.7Murderous IntentionsThe hunt for burglars who killed a Lafayette, La., man the day after Hurricane Katrina hit the Gulf Coast is chronicled.8Death of an AngelThe 1992 murder of Angel Ormston and the investigation that nabbed her killer are discussed.9Hotel HomicidesThe murders of three women in three Iowa hotels between 1993 and 1997 and the investigation that nabbed the killer are discussed.10Elemental MurderThe lethal poisoning of a waitress in Florida is investigated.11Deadly DenialThe murder of a gun advocate in Kentucky and the investigation that nabbed her killer are discussed.12Random Act of MadnessThe murder of a man in Maine is connected to a cold case.13Bathtub KillerThe crimes and apprehension of the Texas Bathtub Killer are discussed.Season 1Season 2Season 4Season 5Season 6Season 7Season 8