By Laura Stampler
November 6, 2014

Washington state police officials said they arrested a man Wednesday night after pictures of his murdered girlfriend’s body were posted online on 4chan, the anonymous messaging board website linked to this summer’s nude celebrity photo leak.

David Michael Kalac, 33, surrendered to Oregon police at 8:50 p.m. local time and was charged with second-degree murder.

The arrest came after an anonymous poster published photos Tuesday appearing to show the corpse of Amber Lynn Coplin, accompanied by the message: “Turns out it’s way harder to strangle someone to death than it looks on the movies… She fought so Damn hard.”

The Washington Post reports that another disturbing message by the poster read:

Coplin’s 13-year-old son found her body shortly after the photos were published online.

NBC reports that an affadavit indicates Kalac, who is suspected of driving away in Coplin’s car following her murder late Monday or early Tuesday, texted friends with messages like, “S*** is all f***** now. You’ll see me in the news.”

Police said that Kalac is cooperating with investigators.

Contact us at editors@time.com.

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