Article Photos: The prosecution of an Oklahoma police captain for using deadly force will set a dangerous precedent, a former police officer says 1/2

Del City police Capt. Randy Trent Harrison, 47,  leaves the Oklahoma County jail after turning himself in April 20, 2012, in Oklahoma City.  Harrison was charged with first-degree manslaughter in the shooting death of Dane Garrett Scott Jr., 18, following a March 14 car chase. Harrison was arraigned and posted $10,000 bond and left the jail with his attorney. Photo by Paul B. Southerland, The Oklahoman <strong>PAUL B. SOUTHERLAND</strong>