This undated photo provided by Andy Benoit shows Katy Benoit. A college professor who alternately referred to himself as a "psychopathic killer" and "the beast" committed suicide after killing Katy ... more 
This undated photo provided by Andy Benoit shows Katy Benoit. A college professor who alternately referred to himself as a "psychopathic killer" and "the beast" committed suicide after killing Katy Benoit, a graduate student he had recently dated, police said in newly revealed court documents. (AP Photo/Andy Benoit) less 
1 / 1
Associated Press | Photo By Andy Benoit
Wed, Aug 24, 2011 9:54 PM EDT