Authorities have identified the transit police officer severely wounded in a shootout with the Boston Marathon bombing suspects. MBTA Police Chief Paul MacMillan says the wounded officer is 33-year-old Richard Donohue. He is a three-year veteran of the department. Gov. Deval Patrick says Donohue is in surgery at Mount Auburn Hospital in Cambridge. The officer was critically injured in an early morning shootout Friday with the two suspects in the marathon bombings. One of the suspects was killed. Earlier in the night in Cambridge, a Massachusetts Institute of Technology police officer was killed while responding to a report of a disturbance involving the two suspects. The officer died of multiple gunshot wounds.