Fed threat gets results as Calif pot shops close

This Sept. 7, 2011 file photo shows a family walking past a closed down medical marijuana dispensary in Los Angeles. Frustrated and fed-up with pot collectives flouting their laws, some California cities like Lake Forest asked the federal government for help. In a coordinated response, the state's four U.S. attorneys sent warning letters to landlords leasing space to clinics where pot was being sold. (AP Photo/Damian Dovarganes, File)

October 21, 2011 5:28:53 AM PDT
A letter from federal prosecutors accomplished what nearly $600,000 in legal fees couldn't do in this Orange County suburb: it shut down medical marijuana shops.