AdvertisementPolice Use Fingertip Replicas To Unlock A Murder Victim's PhoneJuly 27, 2016Riley BegginfacebookEmailMichigan State University researchers Sunpreet Arora (left), Anil Jain (center) and Kai Cao (right) tried 3-D printed fingertips and 2-D fingerprint replicas on conductive paper to unlock a murder victim's phone, similar to one in the photo. (Derrick Turner/Michigan State University)