Police stand over David Sweat after he was shot and captured near the Canadian border June 28, 2015, in Constable, N.Y.
July 15, 2015 9:00 PM EDT

David Sweat, who was captured and returned to prison after his daring escape from Clinton Correctional Facility, is now being held in solitary confinement.

Sweat, a convicted killer, is on suicide watch and confined to a cell for 23 hours a day at Five Points Correctional Facility in Romulus, N.Y. He was previously being held in a prison infirmary while he recovered from the gunshot wound he sustained when he was captured, Reuters reports.

“A hearing officer will determine the extent of Sweat’s misconduct and, if appropriate, impose a penalty including continued placement within the Special Housing Unit,” the state Department of Corrections and Community Supervision said in a statement, according to the New York Daily News.

Sweat had escaped with fellow inmate Richard Matt, who was shot dead on June 26. Sweat was shot by a state trooper two days later, ending a massive three-week manhunt.

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Write to Tanya Basu at tanya.basu@time.com.

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