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#CrimeShows

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A common technology plot hole in movies and TV shows...

Watching a TV show tonight. They were trying to trace a phone call to locate the criminal, and oh, what rotten luck - the villain hung up right before they could complete the trace!

But wait - it was a call from a cellphone. Do you know what that means? Two things:

1) The call origination point is known by the wireless carrier from the instant the caller initiates the call, and
2) Even if the caller hangs up, the CDR (Call Data Record) contains the location information.

That old idea that you need to keep the caller on the line while you trace the call goes back to the days of analog phone calls using copper wires.

Today the time delay that matters is how long it takes to:
1) get the warrant, and
2) get the cooperation of the wireless carrier.

Once you have those two things, it doesn't matter how short the call is.

#tv#movies#plothole