Daniel Jones held on $3m bail after studio art chair Pipo Nguyen-Duy and Tran Thi Phong found dead at home

Oberlin College was shaken on Friday after an award-winning professor of photography who had worked at the Ohio liberal arts college for nearly 30 years was found shot and killed on Wednesday, officials said.

Pipo Nguyen-Duy, 64, and his wife, Tran Thi Phong, 56, were found shot to death in their home.