Increased Super Bowl Security Highlights Bold Attempts at Crime

Criminals arrested after daytime jewelry heist despite a strong police presence in NYC for the big game.
3:00 | 02/01/14

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Transcript for Increased Super Bowl Security Highlights Bold Attempts at Crime
super bowl, the game of the year will be one of the mostly secured events in U.S. History but the increased police presence irently not stopping robbers from pulling off brazen heists in broad daylight. Gio Benitez is at metlife stadium in New Jersey with details. Good morning, gio. Reporter: Good morning, bianna. 80,000 fans expected here tomorrow night. Tens of millions watching on live TV and now word of unprecedented security at the big game. A show of force like none other for super bowl Sunday. Helicopters patrolling the sky and F-16s, state police boats in the water. S.w.a.t. Teams looking for weapons of mass destruction as the eyes turn to New York and New Jersey high-profile crimes taking center stage. An armored truck robbery in one part of New York City. A major heist at a Cartier store on fifth avenue both brazen in the middle of the day. Officials announcing a strict crackdown on fans, no big bags allowed on the train. Anything bigger than that will not be allowed. Reporter: Late Friday a security scramble when seven suspicious packages with white powder had been delivered to hotels near the stadium. A false alarm but police aren't taking any chances as New York's top cops told our Pierre Thomas. The issue of concern continues to be made not only in New York but in the country, the lone wolf. As we saw in Boston, the two brothers that conspired. Reporter: Police are asking fans to do their part too. In we want people to feel comfortable and just worry about who's going to win the game. Reporter: Just outside the stadium bomb-sniffing dogs and high-tech radiation and x-ray machines scanning every single delivery for explosives. In the end, they say, it's all to protect the tens of thousands of fans and players at the big game. And back here at that beautiful metlife stadium, we can tell you there is no immediate threat right now. At least not that we know of and police are really worried about that lone wolf actor like we saw at the Boston marathon, bianna. Yes, 4,000 security officers will be on hand. Gio, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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