The FBI devotees particular attention to groups that seem subversive. 

Artwork of the day 
Group of Male Figures
Hieronymus Bosch
Style: Northern Renaissance
Genre: sketch and study
Media: pen, paper
Location: Morgan Library and Museum (Pierpont Morgan Library), New York City, NY, US

Word of the day 
Subversive: undermining and destructive or corruptive; a person who so acts

Quote of the day
“The most subversive people are those who ask questions.”
― Jostein Gaarder, Sophie's World