SALT LAKE CITY — A Salt Lake man has pleaded guilty to a reduced charge of manslaughter for deliberately hitting and killing his girlfriend with his car during a fight.

Anthony Robert Vigil, 30, pleaded guilty Monday to manslaughter, a second-degree felony, as well aggravated assault and domestic violence in the presence of a child, both third-degree felonies, while additional charges were dismissed.

Vigil, who goes by the moniker "Scarface," was originally charged with murder, a first-degree felony, in the death of 24-year-old Audrianna Mains.

He also faced two counts of aggravated assault, three counts of domestic violence in the presence of a child, failing to stop at the command of police, and drug possession with the intent to distribute, all third-degree felonies.

Salt Lake police say Vigil was arguing with Mains' mother and others near 200 W. Mead Ave. on May 21, 2015, when he got into his Lincoln Town Car and drove toward the spot where Mains and several others were standing.

With at least three children watching, Vigil initially aimed his vehicle toward Mains' mother but veered at the last moment to strike Mains and her brother at more than 40 mph, a police report says. Mains was thrown more than 100 feet on impact.

Mains died a week later from injuries, including a broken pelvis and two broken legs. Her brother suffered a leg injury, court documents say.

In a letter submitted to the court in December, a leader of an Alcoholics Anonymous group that meets at the Salt Lake County Jail said Vigil has been faithfully attending weekly meetings since his arrest. Together they have discussed his addictions and his plans to change his life after his release, including a request from Vigil for information about treatment programs.

"I think the fact that Anthony is asking for help is a great starting point for him and his family," the man wrote. "I spoke to Anthony about the behavior which landed him in jail. During our conversation, Anthony expressed his understanding that his addictions led to his poor decision-making and behaviors that in turn led him to his current state of affairs. I think Anthony is sincere about his desire to seek help for his addictions and to make positive changes in his life."

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Sentencing is scheduled for May 23.

Help for people in abusive relationships can be found by contacting the YWCA's Women in Jeopardy program at 801-537-8600, or the statewide Domestic Violence Hotline at 800-897-LINK (5465).

Email: mromero@deseretnews.com

Twitter: McKenzieRomero