Forty-four-year-old Peter Manolakos was convicted in December of first degree murder in the 2008 shooting of Ronald Thom and manslaughter in the death of David Marnuik in 2004.
Both were drug-related killings and also led to convictions of several other members of the Greeks, based in Vernon.
First-degree murder carries an automatic sentence of life with no parole for 25 years.
Manolakos was also sentenced to 15 years for the manslaughter, though he's receiving more than 13 years of credit for pre-trial custody on the manslaughter charge.
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