Law & Order: Special Victims Unit (1999)

S6E10 Haunted

Fin comes face to face with his son while bravely putting himself in danger to rescue two young children. One child is trapped during a bodega robbery, while the other is in peril from a drug addict who manipulated the child's mother into committing murder and then abducted him to exploit him in her plan to acquire supplies for her meth operation.