Hmmm, if the cash is his, then his fingerprints should be all over it. But I doubt any of his fingerprints will show up on the inner bills.
Also, they are probably examining some of the serial numbers to see where they have traveled recently and if any drug dealers are involved in springing him early from jail.
If he is using large amounts of cash legally, he could easily supply names of companies and customers and whatnot of transactions he has made in the past.
Whenever I fly internationally, the documents state that I can't take a certain amount of cash across the border. I think interstate travel is similar. The states in most of the USA are rather large and can almost compare to European countries in size, so that might be why state law resembles other countries laws.
Lastly, they could test the bills for drug contamination. Many drug labs get drugs on the bills if there is any wind but it depends on the drugs involved and how clean the people are. But yes, it is good that the ACLU is involved, just in case he is a legal citizen.
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"We are sure to be losers when we quarrel with
ourselves. It is a civil war, and in all such
contentions, triumphs are defeats." Mr Colton
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