 He reportedly would offer coffee to FBI agents assigned to tail him.Gotti's newfound fame had at least one positive effect; upon the revelation of his attacker's occupation, and amid reports of intimidation by the Gambinos, Romual Piecyk decided not to testify against Gotti thanks to Boško "The Yugo" Radonjić, the head of the Westies in Hell's Kitchen, Manhattan.When the trial began in March 1986, Piecyk testified he was unable to remember who attacked him.