Investigators say the suspects printed a lot of bad bills, as they worked to find the right color scheme. The phony money was passed at a Target store in Riverbank where the woman worked as a cashier.
Mark Copeland, Stanislaus County Sheriff's Department, says "He'd look down; he'd get a $3 item, and cash the $100 bill."
The three people were caught when Target security discovered the phony hundred dollar bills. They checked store video tape and spotted the transactions.