Those Eyewitness Sketches - Could There Be More Than One?

Sally Kohn: We have evidence that would suggest more than one person was involved, based on eye witness testimony and as illustrated by the sketches police artists did. The penmanship in the two letters does not look the same; we do have what appear to be writing coming from two different hands,. She says there are some very interesting names used for people connected with the case - but they don't seem to be referring to anyone tied to the case at all.