any numbs leading to his capture. rafael, police just wrapped up a conference. reporter: they say he may still be in the possibility general area. it s now been more than 72 hours since michael byrne escam. during press conferences, it s a very fluid and active investigation. new today is the fact that police say they have located small stockstockpiles or campsites? wooded areas in the general vip of warren. they believe these sites are associated with him. officials continue to ask for tips. the it s marshals have offered a $7500 award, and in warren
into that nearly 2,000-year-old wall ivan plus haley 23. behind the camera, 38-year-old california native ryan lutz who just toured the coliseum. you see this guy carving into the wall of the coliseum. what do you think? i used the term flabbergasted and i don t use that lightly. i m upset, angry, yes. reporter: he says he told security, who said they contacted the police, but he says nothing happened. hours later, lutz posted the video online and the outrage was immediate, including from the italian government. on twitter, italy s minister of culture calling the carving a sign of great incivility. past incidents of similar vandalism produced fines and prison time, proof bad tourist behavior is nothing new. earlier this year, guides in nepal pleaded with hikers to stop leaving tons of garbage on mount everest s campsites. if you don t want to pick up your trash, don t come to the mountain. reporter: in hawaii, officials recently launched investigations into swimmers caught on