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A 21-year-old Shakopee man has been found guilty on all counts for luring a woman to his home with a fake advertisement on Craigslist.org and killing her.

After spending hours Tuesday in deliberation, a Scott County jury handed down Michael John Anderson’s verdict at about 10:30 p.m.

Anderson was found guilty of first and second-degree murder and second-degree manslaughter for killing Katherine Ann Olson, 24, in October 2007.

A first-degree murder conviction carries a sentence of life imprisonment, second-degree murder carries 40 years, and second-degree manslaughter carries a 10-year sentence, according to state statutes.

Anderson posted an advertisement for a babysitter on the classifieds website Craigslist.org and when Olson showed up at Anderson's Burnsville home for the job he shot her.

Attorney Alan Margoles argued that Anderson, who didn't testify during the weeklong trial, lured Olson over with no clear idea of why. He said that when she tried to leave, Anderson, who had no experience with women, fell back on his video game experience and pulled his father's gun on her. He said Anderson then shot her accidentally when he tripped or flinched.

Inside Anderson's home, authorities found a gun and drag marks on the stairway. A few blocks away from the crime scene was Olson's body inside her abandoned car at a park. Anderson was arrested a short time later at Minneapolis-St. Paul International Airport, where he fuels planes.

However, prosecutors say Anderson—who maintained his innocence throughout the trial—shot Olson 'just to know what it felt like.'

Anderson's attorneys had asked to argue that Anderson has a mild form of Autism that led him to pull the trigger, but the judge did not allow the argument.