The secret-leaking website WikiLeaks is offering a $20,000 reward for information leading to a conviction for the murder of Democratic National Committee staffer Seth Rich.

The announcement came in a message on Twitter on Tuesday. Rich, a 27-year-old staffer at the DNC, was murdered in the crime-heavy Bloomingdale neighborhood of Washington, D.C., in July. He was shot several times, at least once in the back, in what has been described as a potentially botched robbery.

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However, police have no known leads in the case, and theories have circulated on the Internet that his death was in some way related to this year's breach of DNC servers and the subsequent leak of the party's stolen information by WikiLeaks. A reward of up to $25,000 is also also being offered by the D.C. police department.