obtained a fingerprint off of. >> investigators found their next clue in the shards of broken glass. >> there was a beautiful footwear impression. it was maybe half of a shoe or the whole ball area of the shoe was present. >> this may have happened when the killer stepped into the house after breaking the glass. >> so it gave me a lot to work with, with regards to looking for accidental characteristics or markings. >> using various databases, analysts quickly discovered the print was from the left shoe of white pure ten brand tennis shoes. also at the crime scene, investigators found a set of keys in the grass, next to one of the ponds on the 10-acre property. the keys opened the doors to rogers' home. divers searched the ponds and a