 What is the most likely reason why Tremaine confides in Jess about the case?
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. In a back room Tremaine said, "To everybody but you this is just a visit to the old home town. 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. "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.
 He trusts Jess to an extent, and he knows that Jess might have information that could help.
 He knows that Jess is already two steps ahead of him and he wants to catch up.  He trusts Jess to an extent, and he knows that Jess might have information that could help.  He knows that Jess might compete with him even more if he doesn't try to work together.  He's friends with Jess and cares about his well being because he's staying in the town with all of this crime.