Like many "Law & Order" stories, this "ripped-from-the-headlines" episode has some basis in reality. The flamboyant murder victim here possesses many characteristics of the late hotel magnate Leona Helmsley (1920-1997), who was tarred by the Manhattan media with the nickname "The Queen of Mean." Although Helmsley served prison time (for tax evasion and mail fraud), she was released and died of natural causes at home, splitting her vast fortune among many worthy charities, family members ... and her Maltese dog Trouble.
Once they bring the beautician (that was administering Botox injections) out of the apartment to search him and his bag. A mezuzah can be seen on the door jam just above his head as they search him. A mezuzah is a piece of parchment (often contained in a decorative case) inscribed with specified Hebrew verses from the Torah (Deuteronomy 6:4-9 and 11:13-21). It's always mounted at an angle. Mezuzah translates to doorpost.