UK teen who praised Southport murderer jailed for possessing al-Qaeda manual
McKenzie Morgan, an 18-year-old from Wales, was sentenced to detention for possessing an al-Qaeda training manual. The arrest occurred after Morgan praised a murderer on Snapchat and expressed intent to commit a similar terrorist attack, including researching stabbing techniques.

Briefing Summary
AI-generatedMcKenzie Morgan, an 18-year-old from Wales, was sentenced to detention for possessing an al-Qaeda training manual. The arrest occurred after Morgan praised a murderer on Snapchat and expressed intent to commit a similar terrorist attack, including researching stabbing techniques. He also planned to bomb Oasis' reunion concert in Cardiff in July 2025 and claimed to have attempted making ricin. Authorities found the manual on his electronic device after his arrest in June. Morgan, who has been diagnosed with autism and assessed as vulnerable to online radicalization, had also researched local playgrounds and a youth dance academy as potential targets. He pleaded guilty to possessing information useful for terrorism.
Article analysis
Model · rule-basedKey claims
5 extractedA 188-page al-Qaeda training manual was found on one of his electronic devices.
Morgan planned to bomb the Oasis concert in Cardiff on July 4, 2025.
Morgan told a psychiatric nurse he “planned to commit a Rudakubana-style terrorist attack”.
Morgan praised Axel Rudakubana, who murdered three girls and stabbed 10 others in July 2024.
McKenzie Morgan, 18, was sentenced to detention on Friday for possession of an al-Qaeda manual.