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In page Manson Family:

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Testimony that Manson had said "now is the time for Helter Skelter" was supplemented with Kasabian's testimony that, on the night of the LaBianca murders, Manson considered discarding Rosemary LaBianca's wallet on the street of a black neighborhood. Having obtained the wallet in the LaBianca house, he "wanted a black person to pick it up and use the credit cards so that the people, The Establishment, would think it was some sort of an organized group that killed these people."[5] On his direction, Kasabian had hidden it in the women's restroom of a service station near a black area.[3]:176–184, 190–191, 258–269, 369–377 "I want to show blackie how to do it," Manson had said as the Family members drove away after leaving the LaBianca house.