ROCKLAND — Authorities are looking for a man charged with killing an inmate in a wheelchair at the Maine State Prison four years ago after he failed to show up in court.

John Thibeault faces a manslaughter charge in connection with the death of 64-year-old Sheldon Weinstein in April 2009.

Weinstein, who used a wheelchair, died of blunt force injuries.

The 34-year-old Thibeault, who has since been released from prison, failed to appear in Knox County Superior Court on Thursday as scheduled. He was out on $100,000 bail posted by another party.

WABI-TV reports that a judge Thursday ruled that when found, Thibeault will be held without bail because the person who posted the $100,000 bail withdrew it.

Thibeault has had several addresses in the Bangor area.