(Brownsville, OR)  --  Authorities say two men are facing charges of sex crimes, following two separate incidents at the Willamette Country Music Festival in Brownsville.  The Linn County Sheriff's Office says 56-year-old Terry Allen Pepiot was arrested early yesterday morning after admitting to sexual assault of a victim.  Deputies later arrested 37-year-old Jeremy Russell Janssen of Ridgefield, Washington, after a female victim said she was sexually assaulted at the suspect's campsite.