Share this postAmerica's First Serial Killer Designed a Murder Castle. www.murdermayhem.ukCopy linkFacebookEmailNoteOtherMurderAmerica's First Serial Killer Designed a Murder Castle. A footprint etched in acid helped catch a killer who admitted to being Jack the Ripper.Sam H ArnoldFeb 13, 2021∙ Paid1Share this postAmerica's First Serial Killer Designed a Murder Castle. www.murdermayhem.ukCopy linkFacebookEmailNoteOther1ShareWikicommonsHH Holmes was America’s first serial killer, in the late 1800s. More famously he is known for designing and building a murder castle where he killed many women. Although he confessed to a …This post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPreviousNext