CONCORD, N.H. — U.S. Marshals are looking for help tracking down an inmate with a violent past who failed to return to a halfway house in Manchester on Monday.

Eric Judkins, 42, an inmate at the Hampshire House, had been serving part of a 27-month sentence for an assault that occurred while he was in federal prison, according to a press release issued by the U.S. Marshals Service.

The assault on the inmate occurred while Judkins was serving a 210-month sentence for the 1999 robbery of the Gateway Credit Union in Hudson, according to the release.

Judkins is a 5-foot, 10-inch tall white male who weighs approximately 160 pounds, the release states. He has brown eyes and a shaved head. The 42-year-old has an extensive array of tattoos that cover his face, head, neck, chest, arms and hands.

Those who have any information on Judkins should contact Deputy U.S. Marshal Brandon Wilson at 603-225-1632. Those who wish to remain anonymous can do so by texting “NHTIP” followed by any information to the phone number TIP411