today san jose police publicly identified 37-year-old david moglin as the man shot and killed last thursday night. how four days -- now four days later they have no suspect or motive in the death of the professor. >> they talked with moglin's widow and live at police headquarters. katie? >> i did, dan and ama. she doesn't have any idea what could happen either. she was visiting her family in tennessee the night of the shooting. >> the 37-year-old lived in san jose with his wife and two young daughters. his wife did not want to be identified, but told us they were married 10 years and david was a wonderful father. she shared these family photos with us and said david was a musician and songwriter and he released an album. he was a well-liked economic instructor. he was teaching at foothill college for the past 12 years. >> this is completely out of the blue and very tragic. >> he is the dean of business and social sciences division. >> he cares pour his students and works hard for them and helps them with the difficult subject matter which is economics. >> david was teaching over the summer.