AdvertisementIn Joplin, Looters Prowl For What Twister Didn't TakeMay 27, 2011NPR Staff and WiresfacebookEmailA torn U.S. flag hangs outside a house damaged during Sunday's massive tornado in Joplin, Mo. As of Thursday, local police said they had arrested 16 people for looting and burglary and four for assault since the twister hit. (Getty Images)