The Scottish Sun can today reveal the third suspected member of the Kevin 'Gerbil' Carroll murder squad - who police believe was the assassins' getaway driver. Victor Gallagher, 39, is thought to have been at the wheel of the motor for the underworld execution outside an Asda supermarket. Gunman Billy Paterson - part of the notorious Lyons crime gang - was recently convicted of the shooting and caged for at least 22 years. But Gallagher has not faced any charges over the gangland slaying in Robroyston, Glasgow, in 2010. One senior police source said: " Everything pointed towards Gallagher being involved in some way but he has managed to stay under the radar. "It's believed that Gallagher did not shoot Carroll but it was claimed he was the driver of the VW Golf which took the two Lyons gang gunmen to and from Asda. " The murder was the culmination of a decade-long war between the Lyons and Daniel gangs. Paterson's friend Ross Monaghan, 33,