Police Are 3D Printing A Dead Man’s Fingers To Unlock His iPhone

Anil Jain, a Computer science professor from Michigan State University, was recently contacted by the Michigan police department to help with an unsolved murder.  The victim of the murder left behind his locked phone that could only be unlocked by fingerprint. The police asked Professor Jain to create 3D printed fingers of the of the victim so they could try to unlock his phone and hopefully find clues leading to the killer. The victim had been previously arrested so the police already had a scan of his fingerprints. They were unsure which finger the victim used to unlock the phone so the professor will make all 10. One complication is that fingerprint readers rely on the conductive nature of human skin, so Jain has to add a “micron level coating” with tiny metallic pieces to the plastic fingers to make them conductive. We’ll see if it works….and if it does work, that’s kind of scary at the same time. 

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