 Additionally, Alexander's uncovered taped conversations between Ruby's defense team, including attorney Melvin Belli, that called into question Ruby's contention that Oswald's murder was an unintentional act.Alexander Autographs sold a 180-page volume of notorious German Nazi doctor Josef Mengele's diary at auction for an undisclosed sum to the grandson of a Holocaust survivor.The unidentified previous owner, who acquired the journals in Brazil, was reported to be close to the Mengele family.