Friday’s release of nearly 20,000 emails from the Democratic National Committee revealed that despite repeatedly deflecting accusations that the party was playing favorites, high-level officials did in fact plot to damage Bernie Sanders’ campaign. Though Sanders has yet to respond to the leaked documents, that may soon change.

The Vermont senator has not appeared publicly since the leak, and his Twitter account has only commented on campaign issues, such as immigration reform and income inequality. His campaign did not return a request for comment.