It turned out that one of the men had killed a police officer.

He has killed a police officer and was wounded by another.

During a span of three months, he was known to have killed 9 police officers.

"I can tell you because I've had two police officers killed with assault weapons."

During this attack they killed a police officer and held 200 hostages.

He is charged with trying to kill nine police officers.

The attempt killed five police officers and wounded several more people, including some children.

The blast killed five Iraqi police officers, the military said.

On April 27, gunmen killed a police officer outside his home.

He has been on death row for 14 years, convicted of killing a white police officer in 1981.