Detectives are on the hunt for the suspect who opened fire on an L.A. County Sheriff's deputy as he sat in full uniform at a traffic light near the 10 freeway in West Covina. The suspect shot him in the back. Jon Baird has the story. 

<p>Detectives are on the hunt for the suspect who opened fire on an L.A. County Sheriff's deputy as he sat in full uniform at a traffic light near the 10 freeway in West Covina. The suspect shot him in the back. Jon Baird has the story. </p>

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