89.3 KPCCAlleged preteen 'Slender Man' killer not fit for trial, judge says89.3 KPCCOne of the two 12-year-old girls who allegedly stabbed a classmate of theirs to death in an attempt to make fictional online meme character "Slender Man" happy has been ruled mentally incompetent and unable to stand trial at this time, a judge said Friday, ...and more »