The seemingly-ubiquitous cell phones are better left at home for one niche of people - criminals.

As cell-phone use continues to rise, law-enforcement officials are using the phone records to track who called, at what time, and the location of the call in relation to the nearest cell tower as evidence in criminal investigations.

Cell-phone records are used more today than they were five years ago, because the phones' use has become more pronounced, said Johnson County Attorney J. Patrick White.

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