as i understand the technology involved access requires a print off a living finger, not a lifted print, not a fabricated print. they can legally get a person'

as i understand the technology involved access requires a print off a living finger, not a lifted print, not a fabricated print. they can legally get a person's finger prints but that won't get them into the phone. the person would have to put their finger on the phone to unlock it. my question is can a court compel a person to do that against their will?