Any ideas on how to find out if these murdered homeless men were involved with anything Jan 6th related?? The pipe explosive that was found?

https://justthenews.com/nation/crime/gunmen-sought-least-5-shootings-homeless-men-new-york-and-dc

https://www.washingtonexaminer.com/news/house/jim-jordan-seeks-fbi-briefing-after-whistleblower-disclosure-on-dc-pipe-bombs-investigation