While Billy was a "bad boy" in their youth, he is now reformed and owns a market in Philadelphia, highlighting a "Thick as Thieves" bond that transcends their different life paths. Key Scenes and Highlights
Focuses on Parker building trust with his new team (McGee, Torres, Knight) by being vulnerable about his past. Alden Parker: Gary Cole Timothy McGee: Sean Murray Nick Torres: Wilmer Valderrama Jessica Knight: Katrina Law Jimmy Palmer: Brian Dietzen Kasie Hines: Diona Reasonover Leon Vance: Rocky Carroll Billy Doyle: Guest Star [S19E15] Thick as Thieves
It is revealed that a young Parker used to steal hubcaps with Billy before a specific incident "scared him straight" into a law enforcement career. While Billy was a "bad boy" in their