ALBANY, N.Y. (AP) — The office of New York Attorney General Eric Schneiderman has served subpoenas on two opioid distributors as part of a multi-state investigation into their marketing and sales practices.

The subpoenas seek company records and communications relating to suspicious drug orders or cases in which opioids may have been improperly diverted by customers. The subpoenas went to Dublin, Ohio-based Cardinal Health and San Francisco-based McKesson.

Schneiderman, a Democrat, has said his office is working with other states to find out whether opioid distributors engaged in unlawful practices when it comes to marketing or selling prescription painkillers. The coalition is being led by officials in New York, Connecticut and Tennessee.

A spokeswoman for McKesson on Wednesday said the company has received the subpoena and is reviewing it.

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