Rotterdam man pleads guilty to double murder - NEWS10 ABC: Albany, New York News, Weather, Sports

Rotterdam man pleads guilty to double murder

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SCHENECTADY, N.Y. - A Rotterdam man charged in the double murder of a local mother and daughter inside their home pleaded guilty to the killings Tuesday morning.

Brice Rivenburgh, 29, pleaded guilty to two counts of second-degree murder on Tuesday, admitting he broke into the Inner Drive home and strangled his ex-girlfriend, 23-year-old Jessica McCormack, and her mother, 52-year-old Tammy McCormack, the morning of April 10, 2013. He faces 35 years to life in prison when sentenced in October.

Rivenburgh only said "yes" when the judge asked if he had intentionally killed his ex-girlfriend and her mother. 

Investigators say he strangled the women and tried to make the crime look like it was a burglary gone bad.

In April, the Schenectady County District Attorney's Office handed up a 26-count indictment against Rivenburgh including four charges of first-degree murder, two counts of second-degree murder, rape, and sexual abuse in connection to the deaths of the women.

Officials explained Rivenburgh and Jessica McCormack had an "on again, off again" relationship for a couple of years, but had recently broke up. Investigators do not believe that Rivenburgh forced entry into the home.

"There were three separate entries into the McCormack residence. During the first entry, that he caused the death of both Tammy and Jessica and also stole a television set," Schenectady County District Attorney Robert Carney explained. He says Rivenburgh then went back into the house twice after killing them, taking among other things food containers and then trying to set fire to the home.

"He was burning a shirt that he was wearing at the time of the crime and a document which had his name on it," Carney said. "It was the fact that his name wasn't burned when the patrol officer got to it that he as able to identify it as potentially belonging to Rivenburgh." He says officers then found Rivenburgh shirtless in his car outside his home.

Tammy McCormack was employed as an assistant in the human resources department with the Schenectady School District. The McCormack family is also the co-owner of Lyle's Hoagies in Schenectady.

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