It could be a scene from any front room or coffee shop. Four young men laughing and joking as they charge their phones and catch up on their week.

Together, however, the quartet makes up Britain’s most notorious Islamic State of Iraq and the Levant (Isil) jihadists; torturers, beheaders and serial killers who left the UK to fight in Syria.

The Telegraph has obtained extraordinarily rare, secretly-filmed footage of the fighters, seen here all together for the first time; unmasked and unguarded.

The men are Mohammed Emwazi, the executioner who beheaded two Britons and three Americans in grisly propaganda videos, Junaid Hussain, Isil’s number one hacker and husband of the UK’s most-wanted woman Sally Jones, Reyaad Khan, who recruited dozens of Britons to fight for Isil, and Christian convert and sniper Raymond Matimba.

Read more: The Telegraph (UK)