1.   That means changing a culture of corruption that has run from rookie policemen to the most powerful politicians.

2.   Days earlier, Henry Schaad, a white rookie policeman, had been shot as he and other officers rode in an armored vehicle.

3.   Days earlier, Henry Schaad, a white rookie policeman, had been killed.

4.   Days earlier, Henry Schaad, a white rookie policeman, had been shot as he and other officers rode in a police vehicle.