Rock-throwing common on border

Incident that ended with agent fatally shooting man restarts debate about patrol’s response to ‘rocking’

By Greg Moran
12:01 a.m., June 26, 2011

Along the 1,933-mile border separating the United States from Mexico, rocks come hurtling through the air from south to north close to 800 times a year.

It’s known as “rockingâ€