Investigation shows colleagues expressed concerns about Robert Bates . Probe reveals he was not given special treatment during his application . However report in 2009 says he was once he was employed in Tulsa . Supervisors allegedly intimated colleagues to benefit Bates . He has been charged with second-degree manslaughter in relation to the death of Steve Kunzweiler in Tulsa , Oklahoma , on April 2 . District Attorney Eric Harris has begun contacting outside law enforcement agencies for further investigation .
Investigation shows colleagues expressed concerns about Robert Bates . Probe reveals he was not given special treatment during his application . However report in 2009 says he was once he was employed in Tulsa . Supervisors allegedly intimated colleagues to benefit Bates . He has been charged with second-degree manslaughter in relation to the death of Eric Harris in Tulsa , Oklahoma , on April 2 . District Attorney Steve Kunzweiler has begun contacting outside law enforcement agencies for further investigation .