There is a movie, the protagonist is an Italian gangster, and finally went to court and played for a long time. Then the protagonist finally appeals for himself.

Vin Diesel's Guilty Me, English name: Find Me Guilty (2006)

Based on the longest gang criminal trial in American judicial history.

The hero is Jackie, the legendary gangster of the 1980s. Jackie dinosil.

Plot:

The American mafia is deeply rooted and seriously harmful. In order to eliminate social evils, after years of reconnaissance and preparation, the police launched an offensive against the Luxe family, one of the five major families. Including Jackie, the leader of New Jersey? Di Nocio (Vin Diesel text? Twenty family members, including Dissel, were arrested and charged with 76 counts. Before the trial, the prosecution secretly negotiated with Jackie, asking him to choose up to 30 years in prison, or to act as a tainted witness and accuse other family members.

Jackie would rather go to jail than betray his partner. He refused to hire a lawyer, and he defended himself and his whole family. ...