Season
Episode
- Episode 1: Pure Evil
- Episode 2: The Perfect Suspect
- Episode 3: Wolf in Sheep's Clothing
- Episode 4: Blood Trail
- Episode 5: Mother's Day Murders
- Episode 6: Gruesome Discovery
- Episode 7: A Bike Ride to Murder
- Episode 8: Murder on the Menu
- Episode 9: Triple Threat
- Episode 10: City Under Siege
- Episode 11: Killings in Kentucky
- Episode 12: No Mercy
- Episode 13: Maritime Murder
Unusual Suspects Season 4 Wolf in Sheep's Clothing
Unusual Suspects is an American documentary television series on Investigation Discovery. The series debuted on June 21, 2010. The series showcases many of the most shocking and difficult cases in law enforcement history, and also sheds light on the investigations that led to the arrest of the culprits.
