Over the years, we've documented numerous medical marijuana dispensary robberies
, with most taking place after hours and many of them inept -- like a 2012 heist that netted a broken scale and $8 from the karma jar
. But a recent Longmont dispensary stick-up last week was scarier, featuring two masked gunmen who got away with nearly $11,000 in MMJ. Are law enforcers worried about more such crimes with recreational pot sales in the offing? A Boulder County sheriff's rep doesn't put it quite that way, but she makes it clear her office is prepping for the possibility.