Overview
- Kathleen Sanfacon arranged an in-person sale through an online marketplace and met the buyer at the Bank of America inside the Natick Mall.
- Police say 23-year-old Keyjuan Webb grabbed a 6.1-carat, heart-shaped diamond after posing with a supposed tester that turned out to be a headlamp and tried to run.
- Sanfacon was dragged and suffered a dislocated finger and scrapes as bank employees and other bystanders intervened, and police report Webb bit one of the rescuers.
- Sanfacon says Webb threatened to shoot her, though officers found no firearm when they arrested him, according to the police report.
- Webb pleaded not guilty to multiple charges, including unarmed robbery and assault with a dangerous weapon, as investigators hold the diamond as evidence and say security cameras recorded the encounter.