October 23, 2025

Major Gang Takedown in Milwaukee: Operation Chalkline

here-intlog
October 23, 2025
6:29 am
Milwaukee

News Summary

Federal authorities have arrested 22 individuals linked to a violent gang through Operation Chalkline in Milwaukee. This multi-agency operation aimed to disrupt gang activities contributing to ongoing violence in the region. The investigation resulted in 24 search warrants and the seizure of illegal narcotics and firearms. The success of this operation marks a significant step towards improving public safety in Milwaukee and Racine.

Milwaukee — Federal authorities announced on Wednesday, October 22, that a major gang takedown, dubbed Operation Chalkline, resulted in the arrests of 22 individuals linked to a violent gang with direct ties to a significant international cartel. The operation aimed at disrupting gang activities that have plagued Milwaukee and Racine over the years.

Spanning multiple years, the investigation culminated in the execution of 24 federal search warrants across various locations. The effort saw collaboration from the FBI Milwaukee Division alongside task force officers, with 14 SWAT teams providing critical support during the operation.

The dedicated law enforcement efforts were spearheaded by a task force officer from the Mount Pleasant Police Department, showcasing a partnership that included several agencies such as:

Caledonia Police Department
Mount Pleasant Police Department
Racine County Sheriff’s Office
Racine Police Department
Milwaukee Police Department
Milwaukee County Sheriff’s Office
Cudahy Police Department
Oak Creek Police Department
West Allis Police Department
Wisconsin Department of Justice – Division of Criminal Investigation
Wisconsin State Patrol
Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)
Drug Enforcement Administration (DEA)
Homeland Security Investigations (HSI)
U.S. Marshals Service

As a result of the operation, authorities seized a substantial amount of illegal narcotics and firearms, including:

4 kilograms of cocaine
260 grams of fentanyl
1.5 pounds of methamphetamines
6 pounds of marijuana
23 firearms
3 vehicles

The success of Operation Chalkline has been hailed as one of the most significant achievements in tackling violent gang activities in the region. The culmination of these efforts aligns with the FBI Milwaukee’s ongoing priority to reduce violent crime in Milwaukee, Racine, and throughout Wisconsin.

Public safety remains a cornerstone of these operations, and local agencies urge community members to remain vigilant. Citizens are encouraged to report any suspicious activity to their local police departments or by calling 1-800-CALL-FBI.

Background on violent gang activity in Milwaukee and Racine reveals longstanding challenges faced by law enforcement, with gangs often linked to larger criminal enterprises. Operations like Chalkline serve as crucial steps toward addressing these issues and enhancing community security.