John Thibedeau, 48, of Waltham, was sentenced Thursday to 12 months in prison and three years of supervised release for his involvement in a cocaine dealing operation that involved two postal workers at Somerville's , according to the District of Massachusetts United States Attorney's Office.
Perviously, Gerard Harrington and Sean Williamson, the postal workers, both pleaded guilty to dealing cocaine. Harrington was sentenced to eight months committed and eight months of home confinement with electronic monitoring, according to the announcement. Williamson awaits sentencing.
A fourth man, William Zuluaga, also pleaded guilty and was sentenced to 24 months in prison.
The men were charged with making a series of cocaine transactions between May of 2011 and Sept. of 2011.