Overview
- Metropolitan Police arrested 22-year-old Abdel Dedour at a north-west London address on Boxing Day following public appeals.
- Four others at the property, three men and a woman aged between 18 and 47, were detained on suspicion of assisting an offender.
- The 47-year-old woman was further arrested on suspicion of assaulting a police officer, and a 39-year-old man was further arrested on alleged domestic violence and driving offences.
- Tsidi Winion, 20, was charged on December 15 with murder and possession of an offensive weapon and is listed for trial on August 6, 2026.
- Police named the victim as 15-year-old Adam Henry, said his family are being supported by specialist officers, and appealed for information via 101 or Crimestoppers.