A warden and a prison official resigned last week , a prison official says . The arrests come amid a nationwide search for inmate and his alleged accomplice . Two other inmates from the prison have been arrested . He was serving 22 years for second-degree murder when he escaped . Authorities are coordinating search efforts in Montana and along the Canadian border .
A warden and a prison official resigned last week , a prison official says . The arrests come amid a nationwide search for inmate and his alleged accomplice . Two other inmates from the prison have been arrested . Authorities are coordinating search efforts in Montana and along the Canadian border .