1. A fingerprint verification device comprising: a fingerprint sensor including an imaging surface, the fingerprint sensor configured to capture images of a user's finger when the finger is swiped against the imaging surface; a memory for storing fingerprint data; and a controller for comparing minutiae in the captured images with the stored fingerprint data to verify the user's identity, the controller configured to determine whether the finger is a real human finger based on the spacing of minutiae in the captured images.