Unfortunately, it has become necessary to lawyer up these days and is the usual route. I don't know about the GBI, but Gwinnett County cops have a questionable history where ethics are concerned. Common knowledge.
"he is a bratty spoiled false front snobby self absorbed rich kid"
Ah...the expert gossips
All people who have more money than you are snobby? It was a given that you were going to say that.
I don't fault him either for being careful. If due to nervousness or equipment inaccuracy his lie detector test results had cast any doubt on him, his life would have become more of a nightmare than it was already.