new evidence at a pretrial hearing. >> we we at the u.s. attorney's office will use the full force of the law to make sure that justice is served. >> savopolus' daughter was away at college, and for the first time, they said that they found wint's dna on a second piece of evidence, a green vest found inside of the family's blue porche miles away are the mansion. forensic expert lawrence kobilinsky. >> and now we have crucial linkage and not only with the pizza crust in the mansion, but now we have an item in the