A former American Express executive who pleaded guilty to killing a suburban New York equestrian and wounding his partner has been sentenced to 22 years in prison.

Newsday (http://nwsdy.li/199swrN ) reports that Brett Knight apologized during Tuesday's proceeding in Suffolk County court in Riverhead.

He pleaded guilty in December to murder, attempted murder and other charges in the September 2013 fatal shooting of Setauket resident and equestrian Ross Reisner. Reisner's partner was wounded.

Knight is from Midvale, Utah. He said he would use the prison time to reflect on his actions.

Prosecutors say the killing followed a dispute between Knight and the men. Knight had previously lived in Reisner's Setauket home but was evicted. Knight also suspected the men told a former employer about a baseless wrongful-termination lawsuit.

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Information from: Newsday, http://www.newsday.com