(Portland, OR)  --  The FBI is looking for a fugitive from Montana who's considered a violent offender.  Agents say 28-year-old Kevin Anthony Briggs was last seen February 1st in Bozeman, Montana while on a work detail and could now be staying at homeless shelters in Oregon while earning money to travel.  Authorities believe Briggs bought a one-way bus ticket from Missoula to Spokane, and may have traveled on from there to Oregon, California, or Mexico.  Briggs is described as white, five-feet-five to five-feet-seven, 120 to 150 pounds, with brown hair, hazel eyes, and a double "snake bite" piercing on his bottom lip.