
The reason why the police have not named Michael Korn as a suspect in the threats against University of Colorado evolution biology professors is probably not because they're not sure if Korn sent the messages, but because it's not clear whether the letters actually represent threats.
I still haven't heard back from the CU police, but I spoke to a spokesman for the University, Branson Hilliard. He pointed out that the letters may stop short of actually threatening violence.
For example:
The emphasis is mine. The letter is certainly disturbing, but the author is clearly trying to write around an actual threat. Whether he succeeded remains to be seen, but it's clear that he represents a fringe view rather than a typical Creationist.
Hilliard said the University of Colorado is very familiar with Creationists and the religious right. Focus on the Family is located just a few miles away in Colorado Springs, there's a Christian Academy in Denver, and the city has several Christian radio stations. Said Hilliard:
Stay tuned for (I hope) interviews with some of the professors.