The Client (1994)

Eleven-year-old Mark Sway and his brother witness the suicide of a mob-connected lawyer who, before his death, reveals the whereabouts of Senator Boyd Boyette's missing body. Pressured to reveal what he knows, and surrounded by threats and mistrust, Mark tries to protect his family, and attorney Reggie Love assumes his defense. Based on the novel of the same name by John Grisham.