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Probation officer pleads guilty to lying to FBI agents

A veteran state probation officer pleaded guilty in federal court Tuesday to lying to FBI agents who were investigating his alleged “mistreatment” of a woman who was on probation.

Lawrence Plumer, 46, of Brockton could serve a year of probation under an agreement with federal prosecutors. He is set to be sentenced Jan. 13.

Agents first began investigating Plumer in January 2014 after a woman serving probation under his supervision reported “mistreatment” by him to authorities, Assistant US Attorney Robert A. Fisher said.

Fisher did not describe the alleged “mistreatment” but said the investigation involved the woman’s deprivation of rights.

He added that the woman who reported the mistreatment, as well as a second woman serving probation, told federal agents that Plumer showed them pornography in his office. Plumer then lied to the agents when questioned about the pornography, Fisher told US District Judge Richard Stearns.


Plumer agreed with Fisher’s account and pleaded guilty. He also agreed to resign from his job as a probation officer in Suffolk Superior Court.

His attorney, Michael Doolin of Dorchester, would not comment outside the court Tuesday.

Milton J. Valencia can be reached at mvalencia@globe.com. Follow him on Twitter @miltonvalencia.