Police say a Maine man charged with murder in the fatal stabbing of a longtime friend said he snapped after the victim hit and choked him outside an Old Orchard Beach bar. Michael Swenson of Scarborough made his first court appearanceWednesday in York County Superior Court in Alfred on charges hekilled 49-year-old Roger White outside the Whaler bar and hid hisbody under some mattresses outside a nearby apartment house. The44-year-old Swenson did not enter a plea. A police affidavit says Swenson told a friend that White hit himon the head and choked him when they left the Whaler together afterplaying pool Friday night. The friend told investigators thatSwenson said he went “ballistic” or “berserk” and stabbedWhite. Swenson is being held without bail.