oliver pareece jones 37 , was caught in a surveillance photo checking out of the four points sheraton hotel on april 5 .
he then withdrew $ 100 in cash , she told daily mail online .
jones , who owns a pecan business in chihuahua , mexico , has not been heard from since .
jones , who is divorced , had been with family in las vegas for a reunion and was meant to be attending a convention in san francisco , but it is not clear if he attended it , that she said .