A teenager has admitted killing a police officer who was dragged along the road by a van.
PC Andrew Harper died last August in Berkshire, as he attended a reported break-in.
Henry Long, 18, from Mortimer, Reading, pleaded guilty to manslaughter at the Old Bailey but denies murder.
The 28-year-old Thames Valley Police officer from Wallingford, Oxfordshire, had married four weeks before his death.
A 17-year-old co-defendant, who cannot be identified, entered not guilty pleas to PC Harper’s manslaughter and conspiracy to steal.
Another 17-year-old boy denied the same charges at an earlier hearing.
A fourth defendant, Thomas King, 21, from Basingstoke, has admitted conspiracy to steal a quad bike.