Rose Mackenberg
... that in May 1926 investigator Rose Mackenberg testified before Congress about fraudulent mediums with her mentor, Harry Houdini?
... that in May 1926 investigator <b id="mwAcg"><a href="./Rose_Mackenberg" id="mwAck" rel="mw:WikiLink" title="Rose Mackenberg">Rose Mackenberg</a></b> testified before <a href="./United_States_Congress" id="mwAco" rel="mw:WikiLink" title="United States Congress">Congress</a> about fraudulent <a href="./Mediumship" id="mwAcs" rel="mw:WikiLink" title="Mediumship">mediums</a> with her mentor, <a href="./Harry_Houdini" id="mwAcw" rel="mw:WikiLink" title="Harry Houdini">Harry Houdini</a>?