extent that pretty girls do not have differing patterns of murdering roommates from other women, you're making the exact same mistake

That's an interesting claim. Do you have a source for "pretty girls are less likely to murder than girls who aren't pretty?"

Working Paper Ugly Criminals "Using data from three waves of Add Health we find that being very attractive reduces a young adult's (ages 18-26) propensity for criminal activity and being unattractive increases it for a number of crimes, ranging from burglary to selling drugs. A variety of tests demonstrate that this result is not because beauty is acting as a proxy for socio-economic status. Being very attractive is also positively associated adult vocabulary test scores, which suggests the possibility that beauty may have an impact on human capital f... (read more)

[LINK] Amanda Knox exonerated

by fortyeridania 1 min read28th Mar 201558 comments

9


Here are the New York Times, CNN, and NBC. Here is Wikipedia for background.

The case has made several appearances on LessWrong; examples include: