Complex sentence: His first year was relatively normal, with nothing of consequence short of a few arrests of drunken cowboys and cattle rustlers, mostly around Holbrook, Arizona, with only three reported shooting incidents in which he shot at least two men.
Split into simpler sentences: His first year was relatively low key, with a few arrests of drunken cowboys and cattle rustlers, mostly around Holbrook, Arizona. He reported only three shooting incidents, in which he shot at least two men.