• In 2011, 72 law enforcement officers were feloniously killed in the line of duty.
• Of the officers feloniously killed, 50 were employed by city police departments, including 13 who were members of law enforcement agencies in cities with 250,000 or more inhabitants.
• Line-of-duty deaths occurred in 30 states and Puerto Rico.
• By region, 29 officers were feloniously killed in the South, 21 officers in the
Midwest, 10 officers in each the Northeast and the West, and 2 officers were
feloniously killed in the U.S. territory of Puerto Rico.

• The average age of the officers who were feloniously killed in 2011 was 38 years
old.
• The slain officers’ average length of law enforcement service was 12 years.
• Of the 72 officers slain in 2011, 69 were male, and 3 were female.
• By race, 68 of the victim officers were white, 3 were black, and 1 was American
Indian/Alaskan Native.

• 23 officers were killed during arrest situations.
• 15 officers died in ambush situations.
• 11 officers were slain during traffic pursuits or stops.
• 9 officers were killed during tactical situations (barricaded offender, hostage
taking, high-risk entry, etc.).
• 7 officers were murdered answering disturbance calls.
• 5 officers were slain while investigating suspicious persons or circumstances.
• 1 officer was killed while conducting investigative activity (surveillance, search, interview, etc.).
• 1 officer was killed while transporting or maintaining custody of a prisoner.

• 49 officers who were slain in 2011 were on assigned vehicle patrol.
• 11 officers were assigned to other duties, such as special assignments or
undercover, when they were murdered.
• 11 of the slain officers were off duty but acting in an official capacity.
• 1 of the slain officers was on foot patrol.
• 43 on-duty officers slain in 2011 were assisted at the time of the attacks.
• 18 on-duty officers were alone and unassisted at the time of the incidents.

26.6 percent of the officers assaulted sustained injuries.
28.5 percent of the officers who were attacked with personal weapons (e.g., hands, fists, or feet) suffered injuries.
15.7 percent of the officers who were assaulted with knives or other cutting instruments were injured.
9.4 percent of officers who were attacked with firearms were injured.
22.3 percent of officers who were attacked with other dangerous weapons were injured.

For the thirteenth consecutive year, the largest percentage of assaults on officers (15.3 percent) happened from 12:01 a.m. to 2 a.m.
The smallest percentage of assaults on officers (2.6 percent) occurred between 6:01 a.m. and 8 a.m.

33.3 percent were responding to disturbance calls (family quarrels, bar fights, etc.).
14.7 percent of the officers assaulted were attempting other arrests.
12.6 percent of the officers assaulted were handling or transporting prisoners.

In 2011, law enforcement agencies cleared 91.3 percent of the 54,774 reported assaults on law enforcement officers.
By type of circumstance, agencies cleared the greatest percentage of assaults (93.0 percent) on officers during robberies in progress/pursuing robbery suspects.

63.8 percent of the officers who were assaulted were assigned to 1-officer vehicle patrols.
17.0 percent of the officers who were assaulted were assigned to 2-officer vehicle patrols.
4.6 percent of officers who were assaulted were assigned to detective duties or special assignments.
14.5 percent of officers were assigned to other duties when they were assaulted in the line of duty.

14.3 percent of the officers were assaulted with other dangerous weapons.
4.0 percent of the officers were assaulted with firearms.
1.8 percent of the officers were assaulted with knives or other cutting instruments.