NYC postal worker credited with spotting bomb addressed to James Clapper at CNN

From the New York Times:

At a news conference on Friday morning, John Miller, the New York Police Department’s deputy commissioner of intelligence and counterterrorism, said a postal worker at the mail facility on 52nd Street recognized the package addressed to Mr. Clapper as similar to other suspicious packages discovered this week and “froze it in the system.”

Source: Pipe Bomb Suspect Arrested in Southern Florida – The New York Times