It is conceivable you could face charges, but unlikely.
The lesson here is to get more facts before you engage in this kind of activity, or abstain from this activity altogether.
This post is provided for general informational purposes only and is not intended to be legal advice specific to you. This general information is not a substitute for the advice of an attorney in your jurisdiction. The attorney client relationship is not established by this post.
In addition to the good advice in the previous answer, I would not post anything more about this online and I would contact a Washington, D.C., defense counsel if you have additional questions or if any investigator attempts to contact you. You can contact me or use the find a lawyer tab to find the right attorney for you.