WHITE PLAINS, N.Y. (CBSNewYork/AP) — A Westchester County computer programmer was sentenced to 22 years in prison Tuesday for strangling his wife.

The sentence for Christopher Howson was announced by Westchester County District Attorney Janet DiFiore.

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He pleaded guilty to manslaughter in May for killing Theresa Gorski in their Sleepy Hollow home. Gorski was a part time staff attorney for the Bronx Legal Aid Society.

On Jan. 5 of last year, prosecutors said Howson called 911 around 3 a.m. stating that he had strangled his wife.

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She was on a ventilator for four days before she died.

Authorities have said the couple’s daughters were home when the killing occurred. They were 5 and 8 at the time.

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