Expert witnesses in forensic cases are called upon to testify what the facts are in their 'expert' opinion. But what happens if a defendant is representing himself in a muder case that involves computers and the defendant just happens to be a computer specialist.

http://www.wral.com/news/5287261/detail.html
http://www.crn.com/components/weblog...leId=173602157

and I quote...
"He's a computer geek," Edwards said in an interview Friday. "I think he knew more about MacIntosh computers than the state's witness did. I'm not sure how much the jury caught, but he seemed to be pretty pleased."