Shreveport police and Caddo deputies -- working together as the Caddo-Shreveport Narcotics Unit -- have arrested a 32-year-old Blanchard man for allegedly selling prescription pills.  After making an undercover Roxicodone buy from 32-year-old Brad Crenshaw, agents executed search warrants at his Blanchard home and the Shreveport business where he worked.  They seized a quantity of Roxicodone pills, more than $51,000 in cash, about 20 guns, a bass boat, and a new 2011 pickup truck.  Crenshaw was booked into Caddo Correctional Center on two counts of possessing a Schedule II narcotic with intent to distribute.  Caddo Sheriff Steve Prator says agents believe Crenshaw was selling about 3000 Roxicodone pills each week -- at $30 per pill -- in addition to working his regular $8-an-hour job at a construction-related business.  He says Crenshaw is believed to have used the proceeds from his drug sales to buy his guns, boat, truck, and other items.  You can see some of seized items and the announcement of the arrest here.