All details contained within Horowitz's excellent book: Radical Son
Elaine Brown should have been put down decades ago.
“Whatever the reasons, the fact remains that to this day not a single organization of the mainstream press has ever investigated the Panther murders, even though the story is one that touches the lives and political careers of the entire liberal establishment, including the first lady and the deputy attorney general in charge of civil rights for the Clinton administration. Both Hillary Rodham Clinton and Bill Lann Lee began their political careers as law students at Yale by organizing demonstrations in 1970 to shut down the university and stop the trial of Panther leaders who had tortured and then executed a black youth named Alex Rackley.”
From this interesting article:
“Who Killed Betty Van Patter?”
https://www.salon.com/1999/12/13/betty/