In addition, preferably said biometric sensors may include life signs detection capabilities to determine whether said {HEAD ~ biometric sensors} are deriving {TAIL ~ biometric information} from a living body 
are deriving
In addition , preferably said biometric sensors may include life signs detection capabilities to determine whether said { HEAD ~ biometric sensors } are deriving { TAIL ~ biometric information } from a living body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH