Produced by Greg Weeks, Bruce Albrecht, Stephen Blundell
and the Online Distributed Proofreading Team at
http://www.pgdp.net
Transcriber's Note:
This etext was produced from _Astounding Science Fiction_ September
and October 1959. Extensive research did not uncover any evidence
that the U.S. copyright on this publication was renewed. Minor
spelling and typographical errors have been corrected without note.
Subscript characters are shown within {braces}.
[Illustration: That Sweet Little Old Lady]
_Usually, the
toughest part of the job is stating the
problem clearly, and the solution is then
easy. This time the FBI could state the
problem easily; solving it, though was
not. How do you catch a telepathic spy?_
BY MARK PHILLIPS