"Tox," Ravenheart said, her eyes widening slightly. "The message is cyber-encoded." She reached down and pulled out the retinal scanner unit, but detached the optical cable from it. From the same compartment she removed a small adapter plug with a round swivel-pad attached. She connected it to the end of the optical cable and then slotted the entire attachment into a jack behind her right ear, from which it hung. That done, the displays on the communication rig changed, and Ravenheart's eyes became unfocused. Her jaw, though, suddenly clenched.