A seashell social media post has resulted in the former director of the FBI, James Comey, being interviewed by the Secret Service. The picture, with the caption "Cool shell formation on my beach walk", showed a group of seashells which spelled out the numbers 8-6-4-7.
But what does it mean? And why has Donald Trump seen it as an assassination threat?
Catch up with the latest Talking Politics USA now:
Spotify: https://open.spotify.com/show/7MD8wN22CMbOsS1xUGK63X
Apple Podcasts: https://podcasts.apple.com/gb/podcast/talking-politics-usa/id1756496985
Got a question for the team? Email talkingpolitics@itv.com
• Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj
• Get breaking news and more stories at http://www.itv.com/news
Follows ITV News on TikTok https://www.tiktok.com/@itvnews?lang=en
Follow ITV News on Instagram: https://www.instagram.com/itvnews/
Follow ITV News on Facebook: https://www.facebook.com/itvnews/
Follow ITV News on Twitter: https://twitter.com/itvnews
