The Borg endeavor to use them on Janeway and Tuvok in get to hyperlink their views to the hive head Chakotay later on utilizes one particular to connection his feelings with Seven of Nine to distract her. In "State of Flux" when evidence suggests Seska is a surgically alterred Cardassian spy, Tuvok notes that Starfleet Secuirty has documented incidents of Cardassian cosmetic alteration for espionage.