Sorry, I did misinterpret what you meant by ‘Defense’.
Just so you understand I see the kid in this article http://www.officer.com/web/online/Internal-Affairs-News/Fla-Officer-Found-Guilty-in-Coma-Causing-Crash/5$48171 almost weekly in my job ... in his case a cop was running 104mph outside his jurisdiction no lights or siren for no reason , the FHP covered up for him in the investigation .. he got a ticket in the end and is now working in another city...