Deputy Sheriff Sergio Aleman, Milwaukee County Sheriff's Office, Wisconsin

Deputy Sheriff Sergio Aleman

Milwaukee County Sheriff's Office, Wisconsin

End of Watch Tuesday, July 31, 2012

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Sergio 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

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Most Recent Reflection

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I was thinking about you today, Sergio, mostly about how you would make me laugh. Those memories led me here. Hard to believe it's been 13 years since you left us. I miss our chats in the booking room and by the gas pumps at the end of shift. I wish I'd let you know how much those brief moments helped lighten up the rough days. Carry on, Brother.

Former MCSO Deputy & Co-worker
Milwaukee County Sheriff's Office

September 10, 2025