◆ SpookStack

Pr. * 4. . Poon . Cl cy : cA | April1, 1971s - * x, * SE , “ Ke _ oa - Honorable Warren E. . Burger: o ce a -_ , re oe Chief Justice of the United States 6 a " Dear Warren: ee ___¢D_~ I thought you would like to know that sea i773 cova : ple, CE Seprome Court Police, has contacted Assistant Director ‘ 9c . oseph J. per of this Bureau and relayed your request that the 4 b FBI review the security of the Supreme Court Euilding in view of — 4 the anonymous letter addressed to Associate Justice John Marshall Raglan. Mr. Casper contacted | on March 31, 1971. j re We have the original of the anonymous letter and an —_— (,,| a appropriate investigation h: initiated, In addition, Mr. | yy 10 Casper reviewed with the increased security steps he has put into effect since my representatives were last in touch with him. ai threat for the week of April 5 . *. a . oe Maka hat ae crt A A ee el fi £ ¢ f fisensa, C.D. ie ¢ 6Callahae 2M NOTE: ‘Based on memo. to Mohr, 3/31/71, re: "Threat to Blow Up U. © supreme Court Building, 1:38 P.M. During Week of April 5, 1971, Bomb Threat," JJC:aga. ” PL