By Jason Trahan and Tanya Eiserer
Dallas Morning News
DALLAS — The unblinking eye of a dashboard camera in a police car can be a career-ender.
That may be the outcome for Officer Robert Powell. His dash cam preserved his 13-minute harangue of Ryan Moats during a traffic stop earlier this month as the young NFL player pleaded with the rookie officer to let him be with his mother-in-law dying in a nearby hospital room.
Dallas dash cam video evidence works two ways