What was she doing when it started?
Converting currency? Loansharking? Bank/middleman for the drug dealers?
shareYep, it's called "Calle de los Dolares", or "Dollar Street" - where people wait for clients under shade umbrellas and a calculator in hand.
"The money exchanger said business was slow. There are some days here where he alone changes out $10,000 to $20,000, he said. There's at least ten parasol stations on this block. And there's enough work for everyone, he said."
Click link
http://www.fronterasdesk.org/content/how-drug-cartels-move-cash-across-us-mexico-border share