Law & Order: Criminal Intent (2001)

S5E24 His Father's Son

Katie is the center of attention, leaving Brian feeling overlooked and neglected. When he receives a letter and a photo from his biological father, it intensifies his feelings of alienation. In response, Brian starts acting out, convincing Anthony to ditch school with him as they sneak onto a train. Sully catches wind of their escapade and punishes Brian. When Brian confronts Sully about his discipline, Sully explains that he’s doing it out of love, as his father figure.