not comment on what was discovered, although one of the robots pulled out a backpack from the car. We take all of these situations very seriously,- Policicchio said, adding, "We can't let our guard down through any of this. We always have to make sure that we investigate fully." The Pittsburgh Tribune-Revi

wn through any of this. We always have to make sure that we investigate fully." The Pittsburgh Tribune-Review (10/31, Larussa, Lee, 380K) reports, "Policicchio said that car had non-threatening 'gibberish-type language' written in spray paint on driver's side door.' The PT-R adds, "A tweet from Tribune-Revi