Stay of execution

If everything you believe in is being threatened by forces beyond your control, would you pull the trigger of a gun?

A small-time crook stumbles upon a body hanging from a tree; a veteran from a Belgian marching band is killed in a hit and run incident and another dies of an apparent heart attack.

Excitement on the streets of Edinburgh is feverish as the city prepares for a huge rally to celebrate the return of Pope John the 25th to his home town.

With the whole world watching, the security has to be bullet proof.

But is there a chink in the armour and does Bob Skinner have the inner strength to find the answer to the biggest question of all?