ROCHESTER, Minn. – A Mower County man was arrested for the stabbing of a 15-year-old boy with a pocket knife, then released pending further investigation. The teenager was treated at a Rochester hospital. The wounds were described a superficial. Based mostly on a witness account, this is what police believed happened: Benjamin Pater, 23, who disliked the teenager, drove from Waltham, 30 miles southwest of Rochester, to the boy’s Rochester address and called him out for a fight. A fight indeed ensued. Who threw the first punch was unclear, but somebody produced a pocket knife. The teen took a slash to his neck. This was about 10:15 p.m. Most of the details, police said, were from a juvenile female dating the victim.