| Marvin Smith | | Elkhorn Police Dept | 118 | 09/14/1979 | |
| Marvin Labecki | | Milwaukee Police Dept | 163 | 12/14/1990 | R |
| Martin Jensen | Email hidden; Javascript is required. | Hudson Police Dept | 242 | 09/17/2010 | R |
| Marshall Thomas | | Sun Prairie Police Dept | 109 | 06/16/1977 | R |
| Marlyn Fisher | | Butler Police Dept | 104 | 03/18/1976 | D- Deceased |
| Mark Zupnik | | Germantown Police Dept | 201 | 06/16/2000 | D |
| Mark Wildish | | Greenfield Police Dept | 168 | 03/20/0192 | R |
| Mark Waters | Email hidden; Javascript is required. | Menomonee Falls Police Dept | 237 | 06/12/2009 | SW- Sworn |
| Mark Warichak | | Milwaukee Cnty Sheriffs Ofc | 183 | 12/15/1995 | R |
| Mark Stigler | | Waukesha Police Dept | 225 | 06/09/2006 | R |
| Mark Samelstad | | New Richmond Police Dept | 180 | 03/24/1995 | R |
| Mark Rather | Email hidden; Javascript is required. | East Troy Police Dept | 262 | 12/11/2015 | A |
| Mark Pankow | Email hidden; Javascript is required. | Waupun Police Dept | 224 | 03/17/2006 | R |
| Mark Meddaugh | | Watertown Police Dept | 196 | 03/26/1999 | R |
| Mark Kohl | Email hidden; Javascript is required. | Shawano Police Dept | 198 | 09/24/1999 | R |
| Mark Hoppe | | Algoma Police Dept | 069 | 06/06/1962 | R |
| Mark Ferguson | Email hidden; Javascript is required. | Glendale Police Dept | 193 | 06/19/1998 | SW |
| Marie Joers | Email hidden; Javascript is required. | Washington Cnty Sheriffs Ofc | 191 | 12/12/1997 | R |
| Lyle Bliss | | WI State Patrol | 102 | 09/25/1975 | D |
| Luis Gonzales | Email hidden; Javascript is required. | Milwaukee Police Dept | 189 | 06/20/1997 | R |
| Loyal Nelsen | | Green Bay Police Dept | 079 | 06/07/0967 | |
| Louis Vena | | Kenosha Cnty Sheriff Ofc | 163 | 12/14/1990 | R |
| Louis Israel | | Tomahawk Police Dept | 116 | 03/23/1979 | |
| Lloyd Uelmen | Email hidden; Javascript is required. | West Bend Police Dept | 165 | 06/21/1991 | R |
| Lisa Walter | Email hidden; Javascript is required. | Univ of WI - Stout | 210 | 09/13/2002 | R |
