MOUNT LAUREL, N.J., (CBS) — Burlington County Prosecutor Robert D. Bernardi announced that Kyle Crosby of Mount Laurel was sentenced to 31 years in New Jersey state prison for the killing of his wife on New Year’s Eve in 2014.

A judged sentenced Crosby to 28 years in state prison for Aggravated Manslaughter and three years for Hindering Apprehension.

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Crosby, 29, plead guilty in connection to the death of Erica Crippen, 26.

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Officials say Crosby choked Crippen to death in their Mount Laurel home and disposed of her body in a rural area in Maryland.

“Kyle Crosby took a vow to love and honor Erica Crippen. Instead, he chose to end her life and dump her body in a Maryland field,” Burlington County Prosecutor Robert D. Bernardi said. “There is no greater act of evil that could be shown toward someone you pledged to protect. His attempts to conceal this gruesome act were calculated and extensive. I am saddened by the grief that this heart-wrenching crime has forever created within those who loved Erica. I am thankful for the detectives and prosecutors whose skill and determination to seek justice for all victims of crime uncovered the evidence that exposed Kyle Crosby as the killer, and enabled us to remove him from society and put him in prison for the next three decades.”

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Crosby mother, Jo Crosby, 68, was indicted on one count of Hindering Apprehension and one count of Tampering With or Fabricating Physical Evidence. Part of her son’s plea agree called for her charges to be dismissed.