"It didn't have to be a Mexican judge," he said.

"He wanted a Mexican judge."

"I didn't want a Mexican judge," said Petronelli.

On November 29, 2006, he was charged with the massacres and ordered under house arrest by a Mexican judge.

President Salinas' brother, Raul, was later convicted by a Mexican judge of ordering that killing.

A Mexican judge acknowledged in court that one of those witnesses had fresh burn marks on his chest.

He was never charged for the shootings, and in 1995, a Mexican judge declared the case "inactive."

Not one Mexican judge has been punished for accepting payments from traffickers, he said.

But the next day, a Mexican judge dismissed the charges, saying the 30-year-old statute of limitations had passed.

Before the law of 1991 was modified in 1994, the Mexican legislation considered that a Mexican judge had to attend all conflicts related to industrial property.