DAVID CAMERON yesterday ordered spy chiefs to find Alan Henning’s murderer so he can send the SAS to capture or kill the man known as “Jihadi John”.

The prime minister summoned the heads of MI5, MI6 and GCHQ to his Chequers country retreat and told them he wanted them to provide him with targets for a special forces raid on the Isis kidnappers.

The meeting came 12 hours after the terrorists released video showing the British-born terrorist beheading Henning, a 47-year-old former taxi driver from Salford.

Cameron stepped in as Henning’s brother-in-law, Colin Livesey, and one of his friends accused the government of failing to do enough to save him.

Henning’s widow Barbara said the family were “numb with grief” at his murder and thanked