In fact, Black Mass takes elements from true-life crime stories. It fictionalizes some aspects for dramatic effect but retains a core based on real happenings.
'Black Mass: A True Story' is probably centered around a dark and complex narrative. It could be about a group or an individual engaged in immoral and illegal deeds, such as organized crime, drug dealing, or other forms of law - breaking. The story might explore how these actions impact the community, the people involved, and the authorities trying to stop them.
The 'Black Mass' true story is about the criminal activities of Whitey Bulger. He was a notorious gangster involved in organized crime in Boston. He had ties to the FBI which made the situation very complex as he was able to get away with a lot of illegal activities for a long time. His actions included murder, drug dealing, and extortion, which had a great impact on the community in Boston.
Black Mass is indeed based on true events. It depicts the criminal activities and rise of certain individuals in a realistic manner. However, some artistic liberties might have been taken for cinematic purposes.