_Davis County Jail_
FILE - Matthew Collins. A jury has acquitted a former Salt Lake police officer of domestic violence charges.

WEST JORDAN — A jury has acquitted a former Salt Lake police officer of domestic violence charges.

Jurors in West Jordan's 3rd District Court determined that Matthew Collins, 26, of Bluffdale, is not guilty of aggravated kidnapping, a first-degree felony; two counts of aggravated assault, a third-degree felony; plus assault and unlawful detention, both class B misdemeanors.

Collins has resigned from the department, Salt Lake police detective Michael Ruff said Wednesday. He did not know when Collins quit.

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Collins was found not guilty on March 15 at the close of a three-day trial. He was criminally charged in 2017 after his then-wife spoke to detectives about an allegation of verbal abuse by Collins. She reported he had gripped her throat, knocked her down and handcuffed her a year earlier, prosecutors said. Also in 2016, he pushed her down the stairs and choked her to unconsciousness, she told police.

Matthew Collins told police about a time he handcuffed her for 20 to 30 minutes because he believed she was suicidal and didn't want her to harm herself, prosecutors alleged. He told the officer he realized he should have called police.