A 19-year-old Indian-origin student in Texas has been charged with killing his parents and grandmother and shooting at his brother. He was denied bail on the capital murder counts as investigators withheld a motive and the university said it would cooperate.

A 19-year-old Indian-origin student in Texas has been charged with killing his parents and grandmother and shooting at his brother. He was denied bail on the capital murder counts as investigators withheld a motive and the university said it would cooperate.