The U.S. doled out trillions in aid to Americans at the height of COVID-19, but millions — if not billions — was spent on things not intended by the Biden administration. City and state governments used money to pay for jails, weapons and other things instead of vaccines and hospital assistance. Relief funds were even targeted by scammers who fraudulently used dollars to buy luxury goods. Now the hunt is on to track down where all that taxpayer money went. Here’s what we know so far.