After mistrial, Ploof pleads guilty to assaulting two

LANCASTER — A case that ended in a mistrial in September, was resolved in Coos Superior Court on Monday, with the accused pleading guilty to seven counts of sexual assault on two minors dating back to the early 1990s.
William Ploof, 53, formerly of Berlin, entered his plea in front of Judge Peter Bornstein on Nov. 5. He was sentenced to serve a total of seven and a half to 15 years in state prison as a result of three consecutive sentences stemming from the charges. The remaining four charges resulted in three suspended sentences of five to 10 years and one suspended sentence of three and a half to seven years, each suspended for 10 years. All of the dispositions will run consecutive to the case Ploof has on appeal where, after an Oct. 2011 jury conviction, he was sentenced in February to serve a term of seven and a half to 15 years, for assaulting a third child in the early 1980s.
Ploof pleaded guilty on Monday to five counts of aggravated felonious sexual assault and two charges of aggravated felonious sexual assault. He was accused of performing sexual acts and fondling two Berlin youths, both under the age of 13 at the time, between 1990-94. According to the state's offer of proof, Ploof was a friend of the children's father and was able to have one-on-one access to the youths on multiple occasions.
As a conditions of his sentences Ploof was ordered to undergo the sex offender treatment program while incarcerated.
The case under appeal, involved a second defendant, Gerard Duchesne, recently deceased of Berlin, who pleaded guilty to lesser charges for the crime which occurred in Berlin in late 1982 to early 1983. In that case Ploof was accused of plying a juvenile with alcohol before sexually assaulting him. The appeal was accepted by the NH Supreme Court in April and remains pending.
Ploof was previously housed at the state's secure psychiatric unit where he had been civilly committed by a jury in 2009, preventing a scheduled 2007 release from prison. Ploof had been previously convicted of raping an adolescent boy and Assistant Hillsborough County Attorney argued that Ploof remained a danger to society after failing out of the sex offender treatment program twice. According to news reports at the time, Ploof also claimed to have assaulted 20 to 50 other victims and scored high on a test to gauge his likeliness to re-offend.