While So Cal residents take the Interstate 15 to Vegas. There have been numerous stories where law enforcement are doing checks on Interstate 40 at various points for cracking down on drug trafficking. The dogs are trained to smell a strong stenches of cash and police will do searches and find large amounts of cash. The person will be convicted of using the cash for the purpose to purchase drugs.

Some high roller gamblers are known to have been interrogated by the law enforcement when they were spotted of having so much cash. The only thing that saved them from more haggle is the W2Gs they were able to present.