Damond Martin, 28, of Galesburg.

A gang member, who is a convicted felon, was arrested for selling guns to undercover officers following a five-month investigation by federal authorities and the Lake County Sheriff’s Office.

Damond Martin, 28, of the 1000 block of West Losey Road in Galesburg, was taken into custody on August 2 on an arrest warrant for two counts of unlawful sale of a stolen firearm, a Class 2 and Class 4 felony.

The Lake County State’s Attorney’s Office presented several charges against Martin to a Lake County Grand Jury on Wednesday.

The Grand Jury returned an indictment of four counts of armed habitual criminal, six counts of unlawful use of a weapon by a felon, two counts of aggravated unlawful use of a weapon, one count of unlawful delivery of a firearm and two counts of unlawful delivery of a firearm.

The indictment comes following a five-month investigation conducted by the Lake County Sheriff’s Special Investigations Group (SIG).

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The Lake County Sheriff’s Office said Martin sold an undercover SIG detective a semi-automatic firearm with an obliterated serial number in November 2018. He also sold an undercover SIG detective a MAC-11 semi-automatic firearm in April. Both sales occurred in Waukegan.

The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) Chicago Field Division are members of the SIG Group and had a significant role in the investigation, Lake County Sheriff Spokesman Sgt. Christopher Covelli said.

“Keeping firearms out of the hands of felons and those who can’t legally possess them is a major priority for our Special Investigations Group. I am grateful for the collaboration of our detectives, the ATF Chicago Field Division, Lake County State’s Attorney’s Office, and all of our partner SIG agencies,” Lake County Sheriff John Idleburg said.

“These men and women put themselves in very dangerous situations every day to keep our community safe,” Idleburg added.

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Martin remains held in the Lake County Jail on a $100,000 bond and appeared in court Thursday afternoon.