A US prosecutor wants a suspect to submit their fingerprint to unlock a phone seen as holding crucial data in a fatal drink-driving case, raising questions over citizen privacy.The prosecution wants to know if there are any text messages, calls or any information at all that might further their case against a young woman charged in the crime.Suspect Paige Seaton is out on bond as she recovers from injuries she sustained in an accident that claimed the life of a15 year old. According to Seaton's attorney, James Martin Davis, he volunteered to hand over that information a long time ago. He says he's especially willing to do so, now, after learning there may be evidence that suggests Seaton was sexually assaulted just hours prior to that fatal crash.In 2016, a second federal judge ruled that a suspect can be compelled to unlock their iPhone using their fingerprint in order to give investigators access to data which can be used as evidence against them. The first time this ever happened in a federal case was back in May, following a District Court ruling in 2014.The legal position of forcing suspects to use their fingerprints to unlock devices won't be known with certainty until a case reaches the U.S. Supreme Court, but lower court rulings so far appear to establish a precedent which is at odds with that concerning passcodes