You wouldn’t think so…….   and….  we’ve no idea if this is the real LAPD shooter Chris Dorner, but someone who writes just like him is entering comments on the CNN blog news site.

A check of writing styles is highly similar, even to the extent that previous typo errors are duplicated.

https://www.cnn.com/2013/02/08/us/lapd-attacks/index.html#comment-792990832

Is it him?  Again, you wouldn’t think so, but he does have an affection for CNN.  So you decide.