October 23, 2015 8:10 AM EDT

An unknown individual used a retired Colorado state trooper’s identity to set up a fake Facebook account and friend both real cops and apparent ISIS sympathizers, officials revealed in a recent internal bulletin.

“[We assess] with high confidence that it was designed under false pretenses to gather information regarding law enforcement members,” said the bulletin from the Colorado Information Analysis Center, a division of the state’s Department of Public Safety.

Authorities said the account was created Oct. 12, and CIAC contacted the retired trooper the next day. He said he was unaware of the account.

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