Reports suggest that the FBI traced a mobile phone number in order to find the man suspected of attempting to wreak terror with a car bomb in Times Square earlier this week.
A senior police official said that the suspect had used a disposable phone to organise the acquisition of the 1993 Nissan Pathfinder which he left crammed with explosives in Times Square on Saturday.
The official explained that the investigators, "were able to basically get one phone number and by running it through a number of databases, figure out who they thought the guy was."
The US Attorney's Office for the Southern District of New York and the New York office of the FBI are yet to confirm or deny this report.
The suspect, Mr Faisal Shahzad, was arrested two days after the failed car bomb attempt while preparing to board a flight to Dubai at John F Kennedy International Airport.
Officials have not disclosed how they found Shahzad's name from the disposable cell phone. However, when a cell phone is purchased, a user's name is usually connected in a database to a phone number that was assigned to a wireless carrier.
It was the various phone calls which had been made to arrange the purchase of the car which led police directly to their suspect.
Mr Shahzad is scheduled to appear late Tuesday in federal court in Manhattan to be presented for formal charges.
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