This browser is supported only in Windows 10 and above.

Watch Sam Giancana Troll Robert F. Kennedy in the Courtroom

When Sam Giancana takes the stand in court, he giggles through every question that fearsome young attorney Robert F. Kennedy throws at him. Watch the two face-off in this memorable scene from the latest episode.

The Making of the Mob Season Finale airs Sunday at 10/9c.

Read More