The announcement came as Karr awaited what was scheduled to be
his first court appearance in Colorado later this afternoon.
Karr was returned to the U-S a week ago from Thailand, where he
told reporters that he had been with JonBenet when she died, but
that her death was an accident.
Denver's NBC's affiliate KUSA is reporting A DNA sample from Karr does not correspond with DNA traces found at the crime scene.
KUSA cited two unnamed sources for the report, which if confirmed would call into question Karr's claim to have committed the 1996 murder of the young beauty queen.