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185-DE-60179 in the lobby of "g" BuiLDing, which is open to the public. Interviews at the scene by Ahpd immediately after the incident determined that during the time period the call was placed numerous persons were in the building and the building itself was open to the public. No likely suspects were determined as a result of these interviews, and no further calls were received by AHPD regarding MANDELA. A presentation of the above facts was made to AusA on 6/20/90 at which time Stated there b6 was a lack of investigative leads sufficient to continue b7C investigation. This presentation was confirmed in writing by the Detroit FBr in a separate communication to the office of the USA. As no further investigation is pending at Detroit, this matter is being closed.. 2