The Associated PressGALENA PARK, Texas (AP) — Authorities say three teenage girls, including one who was pregnant, were fatally shot by man who also sexually assaulted a 12-year-old girl who later escaped then fatally shot himself. The sheriff said authorities were working to determine the relationships of the other two teenagers who were shot but described them as family members. mass shooting Friday in Mississippi and there have been a number of mass shootings in which fewer people were slain, such as Monday’s shooting at Michigan State University in which three people were killed and five were wounded