I'd have posted it on the site, but unfortunately it doesn't allow anonymous comments or easy sign up (have to come up with a email address and a password and then validate it, bah, I prefer the reddit/HN username+password only design anything beyond that is too much bother).
best, Charlie (BtB staff)
Topix does still have a lot of bad comments, but it's more the nature of a small town political board and so attracts a lot of gossip and low IQ people.
I think a better design is HN/Reddit where one has to register but email (with confirmation if presented) is optional in the registration and all registering does is validate the user with a captcha and group their posts so they can be found and maintained (edited/deleted) by the user. I think that topix would be well served in fact to make the slight adjustment to switch to hn/reddit style.
Of course both reddit and HN are notable for having virtually no noticeable spam and being relatively free from abuse especially compared to boards with registration like yahoo news discussions.
Reddit HN and topix all do have a comment feedback mechanism though so that may provide social feedback regarding appropriate comments. These mechanisms do have a weakness though in that they are often used to punish unpopular points of view even when reasonably presented.
OK, so that's on the topic of the social effects of registration methods. I also want to talk about the value and tech implementation of anonymity on such a site but I'll start that in a new comment so as to segregate these.
I see that families of the con, families of the victims, concerned citizens, the many people fascinated by crime, real lawyers, amateur lawyers, judges, police, all will contribute points of view. No doubt some of these will want to make demands that some points of view be removed and this will lead to conflicts.
But overall this will lead to a fruitful discussion and insights about both crime but the way it is handled in our society.
Regarding anonymity, consider the case of a gang member or other member of an organized crime unit in prison for murder is proclaiming his innocence. But a bystander who saw the shooting posts about what he saw. The defense attorney, working on appeal, may also want to know the person's identity and will subpoena the site, unveiling the identity and making it public in court documents. This information would be useful to the gang or organized crime syndicate which would then want to track this person down and kill or intimidate them. If the person's identity is found out he may be killed or harmed. Because of this, it would be best when subpoenaed then to truthfully say "we do not store ip address or browser fingerprint in our logs". DuckDuckGo does it this way (http://www.gabrielweinberg.com/blog/2010/05/duck-duck-go-sea...), and mailinator.com works similarly by keeping everything in RAM and trashing logs that are more than a few hours old. You may wish to implement something similar, and if not, make clear on the site usage policy to contributors that their identities can theoretically be traced.