"These organizations, these cartels, they function like a Fortune 500 company, " Webb County, Texas, prosecutor Uriel Druker said.

CNN: Police: U.S. teens were hit men for Mexican cartel

The boys entered Gonzales' home looking for snacks, said Uriel Druker, the Webb County district attorney at the time.

CNN: May 2, 2012 -- Updated 1215 GMT (2015 HKT)

But Gonzales had no inkling about the boys' intentions, said his lawyer, Isidro Alaniz, who is now the district attorney in Webb County, where the shooting took place.

CNN: May 2, 2012 -- Updated 1215 GMT (2015 HKT)

Gonzales stood trial for murder in Webb County.

CNN: May 2, 2012 -- Updated 1215 GMT (2015 HKT)

Mr Webb said the extra money was useful but they would need far more to mend all of the potholes on the county's 5, 600-mile road network.

BBC: Lincolnshire pothole cash pays for more repair teams