iPhones store more information than users may realize, and some of it could be used against them if they're ever charged with a crime.
Law enforcement officials have long used phone records and, more recently, e-mails and text messages to help solve crimes. Now a field of forensic study is emerging that deals with iPhones specifically, targeting GPS data, browser history and other potentially incriminating information.
"Very, very few people have any idea how to actually remove data from their phone," says Sam Brothers, a cellphone forensic researcher with the U.S. Customs and Border Protection who teaches investigators how to retrieve iPhone data.
Self-described former hacker Jonathan Zdziarski, who has written a book, iPhone Forensics, has been tapped by agencies nationwide to teach how the information is stored.
HAIR KEEPS CHEMICAL RECORD OF WHERE YOU'VE BEEN
You are where you drink, according to a new study that finds some beverages leave a geographic imprint.
THE GIST
Hair can be a valuable forensic tool.
By recording chemical fingerprints of local water and other beverages, hair can reveal where a person has been.
The technique has already helped to shed new light on cold cases.
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