the link you have provided is George Barwood's and he lives in England and is a trial watcher. Not reliable in my book.
How about this link?
http://crimeandcourtsnews.blogspot.ca/2013/05/transcript-juan-martinez-closing.html#.VNKaeykk_zI
"Youve listened to that recording, you can draw your own conclusions as to whether or not you believe he knew or believed that this was something that was being recorded.
She says Oh no, I kept hitting the save button. I was the one that did it. And she kept it. And she kept it all the way from May 10th of 2008.
But things were not going so well at that point. And in fact by May 19th of 2008, just nine days after that, Mister Alexander is on the computer, this instant messaging service, with somebody named Reagan Housley.
And hes talking to her and he says Im extremely afraid of Miss Arias, because of her stalking behavior."
How prophetic of him? Back on May 19th, and this is nine days after this telephone call. But hes extremely afraid of her because of this stalking behavior."