University of Arizona alumnus Alfred Urbina, chief prosecutor for Southern Arizona's Pascua Yaqui tribe, has sat in front of families whose loved ones have been victims of violent crimes, only to say there is nothing that can be done.

"I have had to face whole families and explain that we could not provide the full measure of justice that their loved ones deserved," he says. "I have watched mothers and grandmothers cry and I could do little to help them."

Now there is something that can be done...