Sheriff finds gunman guarding marijuana grove

San Luis Obispo County Sheriff deputies arrested a gunman they found guarding a marijuana grove in rural Simmler near Clayton Road on Thursday morning.

Serving a search warrant, deputies in bullet resistant vests came upon the grove and discovered Luis Mendoza-Castaneda, 18, allegedly standing guard with a .308 caliber rifle. Mendoza-Castaneda resides in Washington state.

Deputies seized close to 2,000 pounds of marijuana. Castaneda is being held on 50,000 dollars bail in addition to immigration and customs hold.