Unknowns in Ohio shooting: Did gunman target his sister?

By JOHN SEEWER
DAYTON, Ohio — Police worked Monday to pin down why a 24-year-old gunman killed nine people, including his sister, in a weekend shooting rampage in a popular nightlife area in Dayton, Ohio.
Connor Betts, who was wearing a mask and body armor when he opened fire in the bustling Oregon District early Sunday, was armed with an AR-15-style rifle. If all of the magazines he had with him were full, which hasn’t been confirmed, he would have had a maximum of 250 rounds, said