MANKATO — A woman suspected of supplying the fentanyl that killed a Mankato man last month has been arrested and charged with murder.

Alyssa Elizabeth Faith Miller, 21, of Hutchinson, was charged with third-degree murder as well as drug sales Tuesday in Blue Earth County District Court.

Miller allegedly supplied the pill containing fentanyl that caused three people to overdose on May 21 in an apartment on Monks Avenue.

Marcus Kory Krogh, 23, of Mankato, died. Two other overdose victims — both men in their 20s — survived.

One of the survivors and multiple witnesses told investigators Miller supplied the pill that the three men snorted after it was crushed. Miller denied she was the supplier.

According to court documents:

One of the young men who snorted the drug called 911 around 2:20 a.m. First-responders found the complainant vomiting and Krogh and another man unconscious.

Naloxone was administered, but Krogh could not be revived and was pronounced dead at the scene. Life-saving measures on the other unconscious man were successful, and he was taken to a hospital and admitted into the ICU. The complainant also was taken to a hospital where he was treated and released.

The complainant told investigators from the Minnesota River Valley Drug Task Force that Krogh traded Miller two pills of Xanax (a prescription anti-anxiety medication) for a pill the complainant thought was Percocet (a prescription painkiller containing oxycodone).

The man said he and the other two victims crushed the pill and snorted it. He passed out and awoke to find the other two men unconscious and Miller leaving with two other witnesses.

The man who went to the ICU later told authorities they snorted what he thought was oxycodone and the next thing he remembered was waking up in the hospital. He said either Miller or another female visitor brought the pill.

A man who didn’t witness the pill exchange or consumption said he suspected they were using and was worried about Krogh. Miller and the other young woman reportedly told him they were nursing assistants, said Krogh would be fine and discouraged him from calling authorities.

The man said he took the women back to his house and later that morning they asked him to lie and say the three men already were “messed up” when the women arrived.

The other woman told investigators she and Miller obtained what they thought was Percocet in St. Paul and Miller traded one to Krogh.

Miller later denied having or trading any pills.

Investigators obtained a warrant to review Miller’s cellphone records and found text messages indicating she was selling Percocet.

Last week the Ramsey County Medical Examiner’s Office determined Krogh died from a fentanyl overdose.

Fentanyl is a potent synthetic opioid increasingly being found in counterfeit pills.

Krogh is the third area death attributed to the drug in the last two years.

Patricia Ann Johnston, 29, of North Mankato, died in April 2018. Beth Leann Roulet, 38, died in a Mankato residence in March 2019.

Johnston’s supplier was convicted of drug sales and sentenced to six months in jail after a third-degree murder charge was dropped in a plea deal. Roulet’s supplier pleaded guilty to third-degree murder and was sentenced to 11 years in prison.

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