. >> still ahead we saw rudy guilliani, a and what he said about the fatal shootings of the two nypd officers. we're exploring the world of street art. the subculture was once called vandalism but that is changing. meet an artist who is painting legally for the first time. >> i take everyday simple basic throw away things and reposition them and put them back out into the world to try to communicate with people something much deeper. the train line was the mate artery for the movement and art form that was being created. it's a really exciting place. >> being a young kid that had a need to express myself, graffiti was naturally captivating and consumed my entire life and took over my life from 12 years old on. >> it was called the graffiti blasters. words were routinely painted over and a law was passed to ban the sale of spray cans. >> i was always told no. i was always arrested and locked up or beat up by the police. very, very rough city. one of the most anti-graffiti cities that i have ever seen in the world. >> but things are beginning to change. >> you look around, all the cool

something former mayor jurudy rudy guilliani. >> the mayor isn't to be treated with people turning theiru have to respect the mayor's position. i don't support that but i do believe mayor de blasio should apologize to the new york city police department. i think he would get this over with if he did it. >> the mayor will be in the spotlight again this morning as he addresses a swearing in ceremony at the fire academy before speaking at an nypd graduation ceremony. >> now joining me is special correspondent with the daily beast. thank you for being on set with us. you reported over the weekend how tough this has been for all members of the force here in new york city. taking away the politics taking away the tensions and union issues they have been having talk about that stand alone they have lost two of their own. >> they lost two of their own in circumstances where it could have been any one of them. i think it's worth noting that a lot of officers didn't turn their back. they felt it was disrespectful at the funeral but all of them when you think of thousands of homes in new york city