Let's talk football and security it's got the makings of a spine movie undercover officers giant X ray machines bomb squad robot. An emergency response aircraft all part. Of an incredibly elaborate... See More
Let's talk football and security it's got the makings of a spine movie undercover officers giant X ray machines bomb squad robot. An emergency response aircraft all part. Of an incredibly elaborate security apparatus designed to protect a colossal event the Super Bowl in Indianapolis this Sunday. Where tens of thousands of fans are already gathering. Here's ABC senior justice correspondent. Pierre Thomas. Party on the streets of Indianapolis. And -- -- tennis experts starts on here are not the only ones looking for trouble. Kevin and Sonja -- among the very few we're not here to party. -- -- members there was a student at Carl he hit -- it may look random -- the leader of the team is very precise in what he's looking at -- You coming down to hear you very targeted some things you. Fast hands. Visions. Yep we always check in the trash cans newspaper boxes or vehicles what's most of them are here -- areas. She is trying to to detect explosives. The only. In other words they're looking for the signs of the lethal combination law enforcement -- -- most this week. Crowd Baghdad and a bomb. Eight worship if. 345000. -- among the teen from multiple agencies. The FBI local police and the military -- the streets and sweeping were explosives biological and chemical weapons. Even nuclear ones. All this work despite the fact that -- police admit right now there's no specific credible threat that any of these things will happen something. By -- do this nothing's gonna happen nothing ever does. But did -- -- -- that you can't assume that absolutely you have to be prepared for the unexpected we always have to be on our game 100% of the time. -- -- there Kurt Grimm both team from Customs and Border Protection will be circling the stadium and a chopper an -- all through the game. Along with -- -- F sixteen they're taking the threat from the here seriously. Because during every Super Bowl this. 2005. At least one aircraft that entered the no fly zone set up to protect the game revolves -- took -- -- we're training exercise yesterday. -- an unidentified aircraft has invaded the no fly zone. We. Yeah. Here's and it's fundamentally. Our helicopter was sorry to tell them how it would -- -- three dollars to communicate. In this case the plane follows the pilot's commands. He hit -- -- nearby airports and land. -- nearly -- -- to an earlier I don't mind having contact. Earlier this -- get resolved. Down below simple old fashioned street crime -- could -- an inseparable experience muggers -- -- thugs. On this night police are out -- some you see others hidden in the crowd. You never know that -- a woman standing next to you might be an undercover cop. We -- an undercover officer in the stairwell. And were allowed to talk to him after agreeing to Alter his voice and not -- his face which -- news. -- -- -- wants to do for our good offices. -- -- We will look at. Off the street and in the shadows. The oldest profession is under attack. We have people coming in and spending. 10101520000. Dollars on the event. Unfortunately that tends to bring. Prostitution through these kind of events typically a lot of escort services. Teresa Flores was a victim of sex trafficking as a teenager. -- in the country of volunteers. -- trying to alert local hotels to the signs of human trafficking. I don't want another young -- have to go through that. Pat DeLeon got mad and watch another stranger comment -- horrible. By Sunday all the attention will be here Lucas Oil Stadium. 70000 people will feel the state. Another 140000. Blue line the streets a rich target for terrorists and common criminals alike. For that reason police are using the most technology ever to protect the Super Bowl. -- X ray machines scan every vehicle arriving at the stadium. Robots stand ready to disarm -- cameras watch every nook and cranny. Surveillance cameras deployed at every angle will allow police to see everything going on inside the stadium. But also outside as well. The video is streamed into command centers throughout the area that would have to respond. It's really. Really important to get ahead of next season and into the actually prevent them before they occur prepare for the worst expect in -- That's how law enforcement hopes to win. Were Nightline Pierre Thomas ABC news Indianapolis.
This transcript has been automatically generated and may not be 100% accurate.