A South Boston man linked to infamous gangster James “Whitey” Bulger was sentenced Wednesday to 15 years in prison for two killings he committed in 1984 and 1993, according to court records.

Michael Lewis, 65, pleaded guilty in Suffolk Superior Court to two counts of manslaughter Wednesday in connection with the deaths of Brian Watson in 1984 and William Villani in 1993, court records show. Lewis was initially indicted in 2022 in connection with Watson’s death and charged with first-degree murder.

The following year, Lewis was indicted for Villani’s death and again charged with first-degree murder, according to court filings. Facing life sentences for the alleged murders, he pleaded not guilty to both charges.

The 15-year manslaughter sentence “was a compromise negotiated between th

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