Nancy Grace has a reporter on that is saying that some of the information that Karr told Tracey that wasn't in any reports has to do with the Bracelet and financial records. Apparently Karr knew information about the Bracelet that isn't known to the public like when JB got the bracelet and where it was bought from and when it was given to her and where Patsy bought it. Also, he knew where all the Ramsey financial records were kept and what was in them. I have no idea if this is known to the public (not known to me) but thats some of the things that interests the DA of the info that Tracey has.