Buzzfeed writer Grace Spelman sends an email to Washington, DC Capitol law enforcement warning of the upcoming terrorist attack.
After the attack on January 6th, police chief Robert Contee claims that law enforcement had no intelligence of or warnings that there would be an attack.

Sources
https://twitter.com/GraceSpelman/status/1347240832248795136
https://www.youtube.com/watch?v=jb1zuZdbv_A
Photo: Tyler Merbler