Of course, the article doesn't elaborate on what his previous sentence was, but I wouldn't be terribly surprised if it was theft, fencing, scams or fraud etc. and not violence.
Of course, she could be the lottery winner, finding the guy who was looking for a reason to become the next serial killer, but that is unlikely.
In fact, it is highly unlikely the guy will ever come across this article. He doesn't seem the type to google his own name.