Lake County Sheriff’s Office Special Investigations Group

Alfredo E. Rollins, charged with federal fentanyl distribution (SOURCE: Lake County Sheriff's Office)

Lake County SIG and Federal Partners Secure Fentanyl Distribution Conviction After Undercover Purchase in North Chicago

Wed Dec 31, 2025 11:37 am Cardinal News

A North Chicago man has pled guilty to federal fentanyl distribution charges following an undercover investigation conducted by the Lake County Sheriff’s Office Special Investigations Group. In 2024, the Lake County Sheriff’s Office Special Investigations […]

Agustin Arias, Jr., charged with delivery of a controlled substance within 500 feet of a. school (SOURCE: Lake County Sheriff's Office)

Lake County Sheriff’s SIG Arrests Waukegan Male Adult for Drug Trafficking

Sun Jul 20, 2025 03:23 pm Cardinal News

The Lake County Sheriff’s Office Special Investigations Group (SIG), a High Intensity Drug Trafficking Area (HIDTA) funded task force, concluded an investigation that resulted in the arrest of a Waukegan male adult for drug trafficking. […]

Guns and illegal items seized in Grayslake on Wednesday, May 1, 2024 (SOURCE: Lake County Sheriff's Office)

Lake County Sheriff’s Task Force Investigation Results in Seizure of Dozens of Machine Gun Conversion Devices and Firearms in Grayslake

Thu May 2, 2024 11:28 am Cardinal News

The Lake County Sheriff’s Office Special Investigations Group (SIG), a High Intensity Drug Trafficking Area (HIDTA) funded task force, concluded an investigation that led to the arrest of a Grayslake man who was illegally manufacturing […]

Patrick Neal, charged with Armed Robbery and other charges (SOURCE: Lake County Sheriff's Office)

Gun Trafficker, 2 Lookouts Arrested After Committing Armed Robbery on Undercover Detective in Lake County

Sat Mar 16, 2024 09:21 pm Cardinal News

Three people were apprehended Friday, March 15, 2024 after attempting to commit an armed robbery on an undercover detective during an undercover operation. The Lake County Sheriff’s Office did not release the identity of a […]

Gladys Ibanez Olea, charged with eight counts of Human Trafficking and other charges (Lake County Sheriff's Office)

Lake County Sheriff’s Special Investigations Group Rescues Four Human Trafficking Victims

Wed Feb 14, 2024 09:32 am Cardinal News

The Lake County Sheriff’s Office Special Investigations Group rescued four victims of human trafficking in conjunction with the Highland Park Police Department, Homeland Security Investigations, and the Lake County State’s Attorney’s Office. In late January, […]

Douglas M. Dockery of Arlington Heights, charged with ‘Solicitation of a Sexual Act (Lake County Sheriff's Office)

Lake Sheriff’s Special Investigations Group Arrest 12 Men in Human Trafficking Suppression Operation

Wed Dec 6, 2023 11:46 am Cardinal News

The Lake County Sheriff’s Office Special Investigations Group (SIG), a High Intensity Drug Trafficking Area (HIDTA) funded task force, arrested 12 men in a recent human trafficking suppression operation. SIG conducted an operation specifically targeting […]

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Lake County Sheriff’s Office Special Investigations Group

Lake County SIG and Federal Partners Secure Fentanyl Distribution Conviction After Undercover Purchase in North Chicago

Lake County Sheriff’s SIG Arrests Waukegan Male Adult for Drug Trafficking

Lake County Sheriff’s Task Force Investigation Results in Seizure of Dozens of Machine Gun Conversion Devices and Firearms in Grayslake

Gun Trafficker, 2 Lookouts Arrested After Committing Armed Robbery on Undercover Detective in Lake County

Lake County Sheriff’s Special Investigations Group Rescues Four Human Trafficking Victims

Lake Sheriff’s Special Investigations Group Arrest 12 Men in Human Trafficking Suppression Operation

Lake County Sheriff’s Detectives Arrest Ohio Sex Criminal After He Drove from Ohio to Meet ‘Child’ for Sexual Purposes

Former McHenry Area Youth Volleyball Coach Charged with Indecent Solicitation of a Child by Lake County Sheriff’s SIG

Waukegan Resident Shoots at ATF Agents During Approach with Search Warrant

Special Investigations Group Finds Mundelein Resident in Possession of Nearly 8,000 Fentanyl-Laced Pills

Lake County Special Investigations Group Arrest Convicted Felon with Ghost Guns, Cocaine

Lake County Sheriff’s SIG Arrest Winthrop Harbor Drug Dealer in Possession of Firearm

Lake County Sheriff’s SIG, ATF Successfully Dismantle Lake County Street Gang Operation, 10 Charged

Lake County Sheriff’s Special Investigations Group Arrest Drug Dealer; Seize Cocaine, Other Drugs, and Firearm

Round Lake Beach Parolee Charged With Illegal Firearms Possession, Cocaine Possession; Arrested in Waukegan

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