Court documents reveal more about a recent string of heroin overdoses in Chittenden County. Last month, nine people visited Fletcher-Allen Health Care for herion-related overdoses.On the WPTZ App? Tap here to see the video.Investigators said they were led to Jason Schofield on Tuesday. Schofield was arraigned in federal court Wednesday on a charge of selling heroin.According to the criminal complaint filed with the court, a Chittenden County man told investigators he bought two bags of heroin from Schofield on Monday. He told police he later overdosed. The informant told investigators the bags he bought were stamped with the words “DO NOT ENTER” and that the dealer allegedly told him “everyone has been falling out on this.” Schofield allegedly told the man a half a bag of heroin is all it would take to get him high.Health officials said batches can range in potency, which makes the illicit dealings even more risky.Tuesday investigators said they arranged a meet with Schofield in Burlington. There, they said Schofield sold officers three packets of heroin, each for $20.The packets purchased by investigators Tuesday were stamped with a Major League Baseball symbol and had “MLB 2014” written on them.Officials are now warning anyone with bags with “DO NOT ENTER” or “MLB 2014” on them to watch out as the packets contain heroin that's sent at least 10 people to the hospital.Schofield is due in court Friday for a detention hearing.

Court documents reveal more about a recent string of heroin overdoses in Chittenden County. Last month, nine people visited Fletcher-Allen Health Care for herion-related overdoses.

On the WPTZ App? Tap here to see the video.

Advertisement Related Content MUG SHOTS: Suspected heroin dealers, users arrested in 2014

Investigators said they were led to Jason Schofield on Tuesday. Schofield was arraigned in federal court Wednesday on a charge of selling heroin.

According to the criminal complaint filed with the court, a Chittenden County man told investigators he bought two bags of heroin from Schofield on Monday. He told police he later overdosed. The informant told investigators the bags he bought were stamped with the words “DO NOT ENTER” and that the dealer allegedly told him “everyone has been falling out on this.” Schofield allegedly told the man a half a bag of heroin is all it would take to get him high.

Health officials said batches can range in potency, which makes the illicit dealings even more risky.

Tuesday investigators said they arranged a meet with Schofield in Burlington. There, they said Schofield sold officers three packets of heroin, each for $20.

The packets purchased by investigators Tuesday were stamped with a Major League Baseball symbol and had “MLB 2014” written on them.

Officials are now warning anyone with bags with “DO NOT ENTER” or “MLB 2014” on them to watch out as the packets contain heroin that's sent at least 10 people to the hospital.

Schofield is due in court Friday for a detention hearing.