marathon bombings, and every since new york city police have been doing everything they can to keep the runners and spectators safe. there are hundreds of cameras along the route, and they will be monitored live, and scuba divers swept the shoreline, and spectators who are coming out to witness this great event in the city are also being told that they need to prepare for extra security, and they could be subject to random searches. new york city's police commission, ray kelly, said everything can be done to keep the runners and spectators safe. here is what he said. >> i think this will be the best protected race that, you know, they can enter. no guarantees in the post 9/11