Rocky Mountain News Expert: 'Do we have a wack-job or a murderer?' By Sue Lindsay and Charlie Brennan, Rocky Mountain News August 17, 2006 Legal and law enforcement experts have begun to express outward skepticism about claims by a teacher that he killed JonBenet Ramsey. John Mark Karr told reporters in a press conference last night in Thailand he was with the 6-year-old beauty queen when she died nearly 10 years ago. He said the death was accidental, as part of a botched kidnapping effort. When asked how he entered the family’s Boulder home, he declined to comment. But investigators...