Biographer Lois Banner knew Miner personally because they both worked at the University of Southern California; she further challenged the authenticity of the transcripts.[1] Miner had once lost his license to practice law for several years, lied to Banner about having worked for the Kinsey Institute, and had gone bankrupt shortly before selling the alleged transcripts.[77] He had first attempted to sell the transcripts to Vanity Fair, but when the magazine had asked him to show them to Anthony Summers in order to validate them, it had become apparent that he did not have them.[77] The transcripts, which Miner finally sold to British author Matthew Smith, were therefore written several decades after he alleged to have listened to the tapes.[77] Miner's claim that Monroe's housekeeper was in fact her nurse and administered her enemas on a regular basis is also not supported by evidence.[77] Furthermore, Banner wrote that Miner had a personal obsession about enemas and practiced sadomasochism; she concluded that his theory about Monroe's death "represented his sexual interests" and was not based on evidence.[77]