Richmond Police say 32-year-old Amy Mullins was arrested yesterday after they discovered drugs and stolen tools in a storage unit. Police investigated a robbery last week at Mullins’ Dixie Plaza residence where they found marijuana and plastic bags with drug residue. Police determined she was involved in drug trafficking. On Thursday, police executed a search warrant on Mullin’s storage unit on Big Hill Ave. There they found 10 pounds of marijuana, a handgun and $4,000 worth of hand and power tools that were reported stolen in 2012. Police also found $2300 in cash in an undisclosed location. Mullins Mullins was arrested yesterday after she ran a red light on East Main and First Street. She was charged with possession of marijuana, trafficking and receiving stolen property.