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Two McHenry residents charged in drug-induced homicide of 29-year-old man

John M. Maly, 26, and Casey L. Johann, 23, both of McHenry.

A man and woman from McHenry were both charged with drug-induced homicide for delivering fentanyl to a McHenry man, leading to his death.

Casey L. Johann, 23, of the 5200 West Home Avenue in McHenry, and John M. Maly, 26, of the 2900 block of Wooded Lane in McHenry, were both charged with one count of drug-induced homicide, a Class X felony.

A criminal complaint filed in McHenry County court alleges Johann and Maly delivered fentanyl, a controlled substance, to Tyler D. Martin on October 23.

Martin, 29, ingested the substance, causing his death, according to the complaint, which was filed by a McHenry County sheriff’s detective.

A motion filed by McHenry County Assistant State’s Attorney Ken Hudson said that Martin was found dead at his McHenry home on October 24 following the overdose.

Hudson said that Johann and Maly delivered the fentanyl to Martin the night before he was found dead.

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An autopsy confirmed that Martin died from the adverse effects of fentanyl. Court documents did not say how detectives linked Johann and Maly as the suspects.

Hudson said in the motion that Maly has four separate felony convictions dating back to 2015 for unlawful delivery of a controlled substance.

A bond hearing is scheduled for Tuesday for both defendants, who were taken into custody on Wednesday.

Maly remains held in the McHenry County Jail on a $500,000 bond and Johann remains held on a $250,000 bond.