Police released this video, hoping someone will recognize the suspect in a red
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Loi Nguyen was shot and killed early Tuesday morning on the 4200 block of L Street.
The suspect runs up behind Nguyen and shoots him once in the back of the head, killing him.
Police say he's still on the run, and are looking for a motive.
76-year-old man on morning walk killed outside Juniata home: Police
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They are also investigating if the same suspect was involved in an altercation with two other people a few blocks away an hour earlier.
Anyone with information is asked to call police at 215-686-TIPS.