Nightly News   |  April 16, 2013

Rethinking security plans throughout US

From the London Marathon to the Kentucky Derby, the security plans that had been in place for big, upcoming public gatherings are being reevaluated in the wake of the Boston bombings that killed three people and injured more than 170. NBC’s Tom Costello reports

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This content comes from Closed Captioning that was broadcast along with this program.

>>> we're back at the corner of the public garden here in boston . the next major marathon is this sunday in london. for ma matter there's a major sporting event every day all year all around the world. and this race has questions about how to defend and secure those. tom costello is at the verizon center in washington where there's an nhl game tonight. the capitals playing the toronto maple leafs . tom, good evening.

>> reporter: hi, brian. and the attack on boston very much on the minds of people here as well as at sporting events across the country. but there is also a determination not to bow to terrorists. on this day after, many americans felt on edge like they haven't in years. suspicious packages brought boston 's logan and new york's laguardia airports to a crawl today. both were later deemed safe. in washington, a heavy police presence in the subways. pedestrian traffic in front of the white house shut down. capitol police checked every trash can for explosives. while at the emancipation day parade, both unease --

>> i was kind of concerned as to who's here, you know, why they're here, if anything's going to happen. are we safe?

>> reporter: -- and defiance.

>> i came down. i'm not going to be afraid. this is my home.

>> reporter: across the country, police departments were showing the badge today. the tsa also stuffing up passenger screenings. meanwhile, event organizers began revisiting security plans for big upcoming gatherings. the oklahoma city marathon, a bike race in houston, a 10k in miami, nascar in virginia, even the kentucky derby and indy 500 getting a second look.

>> i think the event in boston yesterday will raise once again the consciousness that there is a reason, there is a need for the extra security that they encounter.

>> reporter: since 9/11, there's been a dramatic increase in the use of security cameras . today an influential republican called for even more.

>> out on the street, there's not an expectation of privacy.

>> reporter: at the lapd intelligence nerve center, the police chief insisted his cameras and officers can't do it alone.

>> there is no way that 10,000 los angeles police officers can watch over a city of 4 million people. without the help of the people that they're watching.

>> reporter: the message since 9/11, if you see something, say something. police and security experts are reiterated to us today that they really want people to call in with tips and with even the smallest bits of information. they point out that in the past, those small clues have very often been the key to tracking down a criminal or breaking a terror suspect or cell. brian?

>> tom costello at the caps/maple