The Pierre Hotel in New York City held one of the most glamorous New Year’s Eve parties in 1972. Some of the hotel’s guests included real estate tycoons, the owner of a baseball team, and their wives adorned with the finest jewellery that they left stored away in the hotel lobby’s general safety boxes, a common practice at the time. This high concentration of personal treasures, coupled with the fact that all the guests were sleeping off their New Year’s hangover in the early hours of 2 January made for the perfect scenario of a hotel heist that would bring $11 million in cash and jewellery to the gangsters. The robbery was perfectly orchestrated and the gentlemen robbers left $20 to all the hotel employees they politely took hostage at 4am before escaping in their getaway car disguised in wigs, fake noses, chauffeur costumes, and a place in the Guinness book of world records as the largest and most successful hotel robbery in history. 40 years later, hotel policy on security is much different, starting with the fact that guests don’t leave their valuables with the front desk anymore and most 3* hotels and higher equip their rooms with safety deposit boxes. Secondly, if a potential burglar wanted to get anywhere near the safety deposit box, s/he would have to blow down the door with dynamite because there is probably no other way to do it discretely thanks to the measure put in place by companies specialized in hotel security.Secondly, these industry leaders (such as Assa Abloy or Bricard) provide service which will allow for emergency access to a safe because key loss and forgetfulness are only human characteristics that are bound to happen many times. Therefore, emergency access techniques have been put in place so the hotelier is never...