“and took just 3 - 4 hours to let him go free.”
Not 3 - 4 hours. 20 minutes.
I’ve looked this one up zillions of times. I’ve always said 3 hours. Another Freeper this morning said 4 hours.
3 to 4 hours says this site:
http://www.hlntv.com/slideshow/2013/03/19/jodi-arias-trial-famous-trial-deliberation-times
But it was way longer than 20 minutes.