◆ SpookStack

involving trespass, the Executive Conference met on March 14, 1952. and discussed Bureau policies to t th (Exhibit 28) Following this Executive Conference, a letter was sent to all Special Agents in Charge on March 26, 1952. (Exhibit 29) They were advised that their requests for authority to utilize microphone surveillances must state that no trespass of any kind would be involved either in the installation or maintenance of the microphone. for guidance in determining if trespass were involved, their previously furnished to then. Refinenent of Bureau Policy ——OO - a = 23 = .