The image he shared was one that had already been circulating for months. Can you find an example of the Secret Service going after anyone else who retweeted it? Did they even go after the person driving the vehicle in the picture, or the company that produces the tailgate wrap?
Pretty sure this is protected free speech. Nobody in their right mind would see this as a credible threat to kidnap Joe Biden; it’s just a humorous way of showing displeasure toward a politician.