It would be almost no effort at all for these venues to install a couple dozen little lockers, like almost every museum in the world.
It seems like every time I go to a sporting event or other activity in a stadium or convention center there are always women that get caught by this petty catch.
There are a large number of these Chilean gangs operating across USA.
A bunch were arrested here in Cincinnati (Indian Hill) just the other day. And another group were arrested in Carmel, Indiana.
They case wealthy neighborhoods and break in around dusk when they expect no one at home. They often break in thru the back of the house and often break in upstairs windows because those are not on security systems as often.
They do 10-15 houses a night with drop off drivers picking up and dropping off the burglars.