by the time the talamasca attempted to investigate this case ( through a reputable private detective ) , the trail was cold no one at the hotel could remember if cornell mayfair had had any callers that afternoon had he ordered his bourbon from room service7 no one had ever asked these questions before fingerprints7 none had been taken after all , this was n't a murder but it is now time to turn to deirdre mayfair , the present heiress of the mayfair legacy , orphaned at the age of two months and left in the hands of her ageing aunts .