CHICAGO (CBS)–Daniel T. Suerth, 38, was charged Tuesday with three counts of manufacture/delivery of more than 100 grams of heroin and one count of possession of more than 15 grams, the sheriff’s office said.

(Will County Sheriff)

The arrest follows a month-long investigation by the sheriff’s Gang Suppression Unit and the DEA.

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Suerth allegedly took the Metra to New Lenox and sold the heroin to the agents in the train station parking lot.

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At the time of his arrest, Suerth allegedly had 103 grams of heroin and .4 grams of cocaine in his possession, according to the sheriff’s office.

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Bond was set at $500,000 and he remains in custody, the sheriff’s office said.