Looking Cloud and Graham were convicted of murder in 2004 and 2010 , by federal and South Dakota state juries , respectively . By then Clark was being cared for in a nursing home and was not indicted . Means attributed the split in AIM to divisions in the aftermath of Aquash 's murder . The journalist Harlan McKosato said in 1999 , " ... her [ Aquash 's ] death has divided the American Indian Movement ... "