Arivaca, Arizona
A quick look at Arivaca, a town of 700 people about an hour's drive from Tucson.
As featured on
Community of independent thinkers caught between smugglers, agents.
200-foot set-back is used by Border Patrol at Arivaca checkpoint.
Agent knew of threat on Arivaca family before two members were killed in 2009.
Vacant Tucson stores could transform into new housing
