Knowlton's sister has since stated on Amazon.com's listing for Daddy Was The Black Dahlia Killer that after the publication of Knowlton's book, Tamar Hodel, daughter of George Hodel and sister of Steve Hodel, contacted Knowlton and the two women remained "email pals for several years."
Knowlton søster har siden opstået på amazon.com 's hjemmeside for hendes søster's bog, Daddy Was The Black Dahlia Killer, at efter offentliggørelsen af Knowlton bog, Tamar Hodel, datter af George Hodel og søster til Steve Hodel, kontaktede Knowlton og de to kvinder forblev "e-mail venner i flere år".