A confessed killer from Culpeper — who has already admitted his guilt in a strangling death of a mental patient and the attempted murder of a police officer — pleaded guilty to an abduction and a string of armed robberies in Northern Virginia on Wednesday, federal officials said.

Thirty-three-year-old George Golder Phillips II pleaded guilty in federal court to bank robbery, kidnapping, and two counts of using a firearm during a crime of violence.