Police in Connecticut say they are not taking any chances if someone spots a suspicious package after the bombings in New York City and New Jersey.
The Stamford Bomb Squad, one of four in Connecticut, has a robot that can obtain X-rays and diagnostics as well as disarm bombs.
"Anything we can do, the robot can do," says Bomb Squad Commander Sgt. Lou DeRubeis.
If an explosion does happen, the role shifts to collecting evidence.
"Surprisingly enough, when a bomb goes off, you'll be able to reconstruct it quite effectively," DeRubeis says.
The bomb squad is kept up on the latest bomb-making techniques with yearly FBI training.
Transit officials said Monday that security has been stepped up on Metro-North trains, stations and platforms.
Officials say riders can expect to see more armed officers and an increase in the number of bags inspected by police.
Metro-North's parent company also announced it will be rolling out new passenger screening procedures in the next couple of weeks.