| Type of firearm | Size of ammunition | Total | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of victim officers killed with firearms | Total | 306 | 27 | 33 | 27 | 29 | 38 | 34 | 31 | 31 | 30 | 26 |
| Handgun | Total | 217 | 20 | 19 | 17 | 19 | 29 | 23 | 23 | 22 | 24 | 21 |
| .22 Caliber | 6 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | |
| .25 Caliber | 6 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| .32 Caliber | 4 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| .357 Caliber | 14 | 0 | 3 | 2 | 1 | 2 | 3 | 1 | 0 | 2 | 0 | |
| .357 Magnum | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 3 | |
| .38 Caliber | 24 | 4 | 2 | 3 | 1 | 0 | 2 | 2 | 4 | 5 | 1 | |
| .380 Caliber | 18 | 2 | 1 | 0 | 1 | 1 | 3 | 3 | 1 | 2 | 4 | |
| .40 Caliber | 38 | 2 | 0 | 1 | 5 | 2 | 6 | 8 | 5 | 3 | 6 | |
| .41 Magnum | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| .44 Magnum | 3 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | |
| .45 Caliber | 29 | 3 | 3 | 1 | 2 | 4 | 3 | 3 | 4 | 5 | 1 | |
| .50 Caliber | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | |
| 7.62x25 Millimeter | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| 9 Millimeter | 57 | 5 | 7 | 7 | 4 | 12 | 4 | 5 | 5 | 4 | 4 | |
| 10 Millimeter | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
| Not reported | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
| Rifle | Total | 66 | 5 | 13 | 7 | 6 | 6 | 8 | 8 | 7 | 3 | 3 |
| .22 Caliber | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| .223 Caliber | 15 | 1 | 6 | 1 | 3 | 1 | 0 | 2 | 0 | 1 | 0 | |
| .25-06 Caliber | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| .30 Caliber | 7 | 2 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | |
| .30-06 Caliber | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | |
| .30-30 Caliber | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
| .300 Caliber | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| .44 Caliber | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| 5.56 Millimeter | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| 7 Millimeter | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
7.62x39 Millimeter |
30 | 2 | 5 | 6 | 1 | 4 | 3 | 3 | 4 | 2 | 0 | |
| 7.62x54R Millimeter | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Not reported | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| Shotgun | Total | 23 | 2 | 1 | 3 | 4 | 3 | 3 | 0 | 2 | 3 | 2 |
| 12 Gauge | 19 | 1 | 1 | 3 | 3 | 3 | 2 | 0 | 2 | 2 | 2 | |
| 16 Gauge | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 20 Gauge | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Not reported | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |