It's a legacy of the "War on Drugs". The argument was that drug dealers use money mules to move their cash, and this law would allow law enforcement to take th

It's a legacy of the "War on Drugs". The argument was that drug dealers use money mules to move their cash, and this law would allow law enforcement to take that money, thus harming the drug trade. Like many well-meaning laws that were hastily passed, they never thought it would be used against retirees and people buying cars with cash.