A handgun was recovered from Barisone, 54, who owns and operates Barisone Dressage in Long Valley. The gunshot victim was identified as award-winning equestrienne Lauren Kanarek, the New York Post reports.
Kanarek, 38, of Livingston, was shot in the chest twice around 2:15 p.m. Wednesday. She remained in the hospital Thursday in critical condition, The Post says.
The bronze medalist with the United States Dressage Federation shared a shocking Facebook post last week.
A second male victim was also injured in the incident, but not shot, authorities said.
Barisone was on the U.S. Olympic dressage team at the 2008 Beijing games. He has been working as an equestrian coach at his family on Hawthorne Farm in the Long Valley section of Washington Township.
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