"Serino, who unsuccessfully recommended that manslaughter charges be filed against Zimmerman soon after the shooting, said Zimmerman appeared to be relieved when told him the shooting had been videotaped.

"Thank God," Zimmerman replied.

Serino said based on his response he thought Zimmerman was either a pathological liar or telling the truth, but concluded that Zimmerman truly wished the incident was videotaped. The shooting, however, really wasn't taped.
"
http://abcnews.go.com/2020/george-zimmerman-recalled-trayvon-martin-gosh/story?id=19543886#.UdLk4RZ1CS1