[1] Michael John Anderson, age 19, murdered Katherine Ann Olson (1983–October 25, 2007), a 24-year-old theater and Hispanic studies graduate of St. Olaf College and temporary nanny,[2] on October 25, 2007, in Savage, Minnesota, after seeing an ad for her services as a nanny on Craigslist.
[3] The prosecution charged that Anderson created and posted a fake advertisement on Craigslist "in order to lure a woman to his home so he might experience what it felt like to kill.
"[4] Posing as a married woman named "Amy" who was looking for nanny services, Anderson exchanged emails with Olson.
When she arrived at his parents' house for an interview, he shot her in the back with a .357 Magnum and put her body into the trunk of her car.
The judge refused to allow evidence of the diagnosis to be presented in court, ruling there was no proof the disorder was connected to the crime and that it could invite jurors to speculate about diminished capacity, which is "not recognized in Minnesota.