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LA 92498 LEADS LOS LES AT SHERMAN CALIFORNIA, Will contact Mr. ALLEN's office, entura Boulevard, and attempt to — review his correspondence with persons whose identities are known and compare the phraseology used in a threatening letter with this correspondence in an effort to identify unsub. Tt is to be noted unsub uses the abbreviation, "ect." in each letter, as well as such phrases as, "Monolithic Communist traitors"; "Pusedo activities~-etc"; and many other words and _ phrases which are common in each letter. he felt ground may_have written the letter in question. (In the Sy ine eign aioe to ALLEN, has contacted him_see ublicity, and this should be bermghtn mind az is contacted). 2 in interviewing z ne 50 The game precautions should. be pa contacting bis Los Angeles, ornia, or e@ same reasons as stated above. Care should aiso Co) be exercised in contacting Ag SOOO CULTRORMEAS Will, in the event the examination of letters In correspondence file of STEVE ALLEN G&S not produce a logical suspect in this case, -B- COVER PAGE Nv