human
Ohl Cantrall was regarded as a great man in his time, and his identification pattern is on record. That was the detail which first revealed the plot. When three duplicates of that particular pattern--and a considerable number of approximate duplicates--turned up simultaneously in identification banks at widely separated points in the Federation, it aroused more than scientific curiosity. Our security system has learned to look with suspicion on apparent miracles. The unsuspecting 'Cantralls' were located and apprehended at once; the threat to the Federation was disclosed; and an intensive though unpublicized search for the scattered group of Kalechi agents began immediately....