James 'Whitey' Bulger, once the most feared mobster in Boston who was found guilty today of 31 out of the 32 criminal charges he faced including 11 killings, was the inspiration for Jack Nicholson's character in The Departed.
The Martin Scorsese film, which also starred Matt Damon, Leonardo DiCaprio, Mark Wahlberg and Ray Winstone, won four Oscars including Best Picture and Best Director.
The plot centres around the police waging war on an Irish-American Boston gang which is headed by Frank Costello (Jack Nicholson).
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Police chief says the video can now be release without 'adversely impacting' the investigation.
The news was announced on Instagram by director Spike Lee who described him as a "dear friend" and "a great actor".
In a statement the pair said they remained "great friends" and "will continue to support each other".