 Which best summarizes this story?
[Transcriber's Note: This etext was produced from Worlds of Tomorrow April 1963 Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] He was as ancient as time—and as strange as his own frightful battle against incredible odds! In his room at the Elsby Commercial Hotel, Tremaine opened his luggage and took out a small tool kit, used a screwdriver to remove the bottom cover plate from the telephone. And since it seems to be pinpointed in your home area—" "You don't have to justify yourself. Now I want answers, not questions! In a back room Tremaine said, "To everybody but you this is just a visit to the old home town. Between us, there's more." Tremaine covered the discovery of the powerful unidentified interference on the high-security hyperwave band, the discovery that each transmission produced not one but a pattern of "fixes" on the point of origin. It showed a set of concentric circles, overlapped by a similar group of rings. "I think what we're getting is an echo effect from each of these points of intersection. "The point is this, Jess: we think we've got it narrowed down to this section. "Course," said Jess, "there's always Mr. Bram ..." "I've never seen any harm in Bram," said Jess. They used to raise cain in the other drug store...." I had the whole caboodle locked up here for six hours.
 An investigator travels to his hometown to locate a transmitter with an unknown use.
 A private investigator tries to find a transmitter which allows him to save his hometown from certain danger.  An investigator travels to his hometown to find conflict between the transmitter-using youth and the local and state police forces.  An investigator travels to his hometown to locate a transmitter with an unknown use.  A man seeks justice for a town plagued by a harmful transmitter.