CSI smartphone

Where you’ve been, who you’ve talked to, who you’ve been sleeping with – secrets that people wouldn’t even share with their closest friends are being spilled into a device that knows you better than any confidant.

CSI smartphone

Apple may have publicly denied that it’s tracking people via their iPhones, but the police and private forensic experts have no compunction about unlocking the secrets stored in smartphones.

Last year, the National Policing Improvement Agency placed mobile phone evidence in the top tier of training requirements for officers, teaching them how to secure evidence gleaned from handsets, with 3,500 officers a year expected to take the course.

The police and private forensic experts have no compunction about unlocking the secrets stored in smartphones

On top of in-house expertise, a huge number of handsets are sent to forensic specialists for analysis to discover where they’ve been and what they contain. “From what we see, 18 months or two years ago the proportion of smartphones we were seeing compared to PCs was very small,” said Phil Ridley, a mobile phone analyst with CCL-Forensics. “Now it’s well over half the devices that we see. We see both prosecution and defence – as well as private cases.”

Your smartphone could place you at the scene of a crime, destroy an alibi or maybe even provide one – which is why one of the first things police now do at the scene of a crime is take away a suspect’s mobile. “There’s so much in there,” said Ridley. “Pictures, notations, communications records, location information from cell records and Wi-Fi. You have navigation information in there from satnav software – the list goes on.”

Access all areas

With so much potentially incriminating evidence available to the police, you might think that there would be privacy protection in place to stop authorities probing your handset – but you’d be wrong.

According to legal experts, police have wide-ranging powers to search mobile phones providing they have a “reasonable suspicion” that a crime may have been committed. Once inside a handset, they could well stumble across other evidence, which could also be used in court.

Find out more

Can you really wipe a smartphone?

“The baseline rule has to be that there is a reasonable suspicion that an offence has been committed for a phone to be inspected and to do an on-the-spot search,” said Tracey Stretton, legal consultant for data-recovery specialist Kroll Ontrack. “If you see a man after a car accident, you wouldn’t need a warrant because you could have a reasonable suspicion that a traffic offence had been committed.

“If you’re looking into one crime and find something else on the phone, then I guess the police would follow that line of inquiry. They wouldn’t stop to get a warrant because they now have suspicion of a further offence.”

No wonder the Police Central e-crime Unit dedicates significant space in its guidance notes on how to secure and retain data from mobiles, which is considered more difficult than PCs.

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