Milwaukee County Sheriff's Office, Wisconsin
End of Watch Tuesday, July 31, 2012
Add to My HeroesSergio Aleman
Deputy Sheriff Sergio Aleman was killed in an automobile accident on I-43, at Winnebago Street, at approximately 12:15 pm.
The sheriff's office motorist assistance truck struck the back of a flatbed tow truck that was stopped on the shoulder of the highway. Deputy Aleman was extricated from the vehicle and transported to Froedtert Hospital, where he was pronounced dead.
Deputy Aleman had served with the Milwaukee County Sheriff's Office for 18 years. He is survived by his wife and five children.
Bio
- Age 49
- Tour 18 years
- Badge Not available
Incident Details
- Cause Automobile crash
Most Recent Reflection
View all 208 ReflectionsRest in heavenly peace
Mark Mottola
July 31, 2020
Recent LODD Deaths

Deputy Sheriff Nathaniel Ansay
Florence County Sheriff's Office, SC
EOW: May 20, 2025

Lieutenant Allen "Noochie" Credeur
Rayne Police Department, LA
EOW: May 5, 2025

Special Deputy Sheriff Larry Henderson, Jr.
Hamilton County Sheriff's Office, OH
EOW: May 2, 2025

Deputy Sheriff Brandon Ray Sikes
Columbia County Sheriff's Office, GA
EOW: April 26, 2025

Deputy Sheriff Jesse Perez
Dawson County Sheriff's Office, TX
EOW: April 22, 2025

Captain Helio Armando Garcia, III
South Fulton Police Department, GA
EOW: April 16, 2025

Deputy Sheriff Melissa Pollard
Wood County Sheriff's Office, TX
EOW: April 9, 2025

Deputy Sheriff William May
Walton County Sheriff's Office, FL
EOW: April 2, 2025

Police Officer Osmar Rodarte
Marysville Police Department, CA
EOW: March 26, 2025