Two convicted kidnappers killed a 63-year-old guard Tuesday during a failed attempt to escape from a Sioux Falls prison where they were serving lengthy sentences.

Two convicted kidnappers killed a 63-year-old guard Tuesday during a failed attempt to escape from a Sioux Falls prison where they were serving lengthy sentences.

He was running an obstacle course when he collapsed last week.

A Keokuk County Sheriff's Deputy was shot and killed Monday morning after a short exchange of gunfire in rural Sigourney.

A Michigan State Police trooper was killed early Wednesday morning in a rollover crash while on his way to help Saginaw County sheriff's deputies chase a motorist.

New Jersey State Police Trooper Anthony Fotiou died suddenly in the line of duty on March 28.

Sgt. James Timothy Chapin, 51, died in a gunbattle Saturday morning while responding to an armed robbery.

Sgt. James Timothy Chapin, 51, died in a gunbattle Saturday morning while responding to an armed robbery.

A Tyler, Texas deputy died Monday as a result of head injuries sustained in a cow attack last Thursday.

Pilot Daryl Gordon died in a plane crash on Clear Lake on Thursday night.

Pilot Daryl Gordon died in a plane crash on Clear Lake on Thursday night.

Trooper Kevin Dobson, a 13-year veteran, was writing a speeding ticket when he was struck by a vehicle.

Officer Jimmy Brooks, 60, was the former chief of Vicksburg Police Department.

One Athens police officer was shot to death Tuesday and another was wounded following a carjacking on the city's east side.

Fond du Lac Officer Craig Birkholz was shot in the upper chest and killed and Officer Ryan Williams was shot twice in the chest and is critical.

Fond du Lac Officer Craig Birkholz was shot in the upper chest and killed and Officer Ryan Williams was shot twice in the chest and is in critical condition

A man opened fire on officers who responded to a house to investigate a complaint.

A young Cathedral City police officer was killed Friday night after he lost control of his cruiser during a high-speed chase.

The 30-year old officer has worked for the Sandusky Police Department since 2003.

The Cathedral City officer was pronounced dead at the scene.