Arrest for death threat to Sanford police chief (AP) SANFORD, Fla. - Authorities say a Florida man is charged with threatening the police chief who had been overseeing the investigation into the shooting death of an unarmed black teen by a neighborhood watch captain. The Seminole County Sheriff's Office says John Carnduff Stewart of Melbourne Beach emailed Sanford Police Chief Bill Lee on Friday, saying Lee and his family should be killed. Melbourne beach is nearly 70 miles south of Sanford. The sheriff's office says Stewart has sent threatening emails previously, including threats to Penn State University assistant football coach Mike McQueary. Stewart was placed on electronic monitoring as a condition of his $10,000 bond. Trayvon Martin case escalates into a cause Zimmerman lawyer: No racial issue with client Friend of Martin shooter: I'd do the same thing Lee temporarily stepped down as chief amid national outrage over the investigation. The neighborhood watch captain, George Zimmerman, has not been charged in Trayvon Martin's death.