Gul Nawaz Hussain KC secured a not guilty verdict after a second hung jury in a manslaughter retrial.
The prosecution in turn offered no evidence against the 3 men at Sheffield Crown Court.
Naz represented the alleged gunman who it was said, together with his two co defendants, attempted to rob a delivery van at gunpoint. During the alleged armed robbery the delivery driver ran over and crushed the head of his own colleague.
The investigation and three trials spanned a total of four years.