I wonder how many times the real killer could confess and be ruled out before DNA evidence.
I believe that this was the first time that a suspect in this case was taken so seriously as to do DNA testing. I am not sure why, because there doesn't really seem to be any compelling evidence, other than his confession and knowledge of some details about the case, which he could have picked up somewhere (despite the fact that it wasn't supposed to be common knowledge). I don't really know what the DA was thinking, perhaps she was under a lot of pressure to make the arrest...
High profile crimes seem to always attract "pretenders" of a sort.
Precisely! I think that Anderson, and especially Karr, operated under the motto "there is no such thing as bad publicity" . I suppose that one of the symptoms of this mental disorder, or whatever you want to call it, is that these people just don't want to remain in obscurity, even if it may mean becoming infamous, and this was obviously Karr's take on things. Hence he inserted himself into a very sensational case, on which he had been fixated for years. AA's motivation was bit more harmless, but the premise was sort of the same...
And yes, taking on the personality of another is quite strange, but in AAs case she was looking for love and acceptance and was, as has been stated, pretty harmless. As for Karr, if he is looking for love and acceptance he is looking in all the wrong places. The only place he will now end up is in a State Mental Hospital after he is charged with the counts of child pornography that he faces and perhaps that is all he wanted. To go to a hospital and not to a jail.
I hope so, but I believe that child pornography is only a misdemeanor, so not sure how long he will end up being locked up (even in a mental hospital). Pedophilia is not something that can be "cured", just as psychopaths/serial murderers can't be, so they would either have to keep him locked up for life, or give him certain hormonal treatments for life, which is generally not very effective due to non-compliance. The only other option is castration (apologies to those who are sensitive), but of course we don't do that in this country, nor am I proposing it.
So I think that until he actually does something that is considered a real crime (which theoretically he hasn't so far), I am not sure how long he can be kept away from society.... Maybe they will make some sort of an exception in his case since his case has become so sensational. So in a way, it's a good thing it did, otherwise he would have gotten a slap on the wrist and went on his merry way, working as a grade school teacher for many more years.