At San Antonio's largest homeless shelter, huge fans cool off the temporary residents. The courtyard can get crowded. One of the hundreds of nightly boarders is James Harrison. "I lost my apartment and had nowhere else to go," he explains.
Like most people at Haven for Hope, Harrison, who is 55, doesn't plan on staying long. But while he's here, he's taking advantage of some free medical testing — a screening for dormant tuberculosis.