Wow – this has been going on for years now.   Nowadays in the Keystone Canyon parking lot,  we just leave our windows rolled down to show that there is nothing worth stealing in the vehicle.

From the Reno Craigslist:

DIRTBAG THIEVES (keystone canyon)

“For the heads of the bastards that thought it would be a great idea to throw a rock through my window and steal my belongings!
Happened 1/20/11 at the keystone canyon trailhead. 3 white punks. Driving a brown/gold SUV (trooper, 4 runner, etc.)
Nevada License plate 365 UCY”

http://reno.craigslist.org/bik/2178616419.html