you have your best forensic people in this house. >> some of the first clues they find, a shattered lock. and this shouldpretty on the doors. >> that picture we have seen of the shoeprint how telling could it be? >> very telling if a police can locate the shoes of the same dimension, particularly if they can identify brand. it may put a person into that shoe. and a samurai sword? forensic scientist lawrence kobilinsky. >> how wide it? >> and a bloody baseball bad, similar to this, found in the upstairs bedroom where the three adult bludgeoned bodies are discover. >> with blood at that thick surface, at the thick end of the