Illegally possessed firearms seized by authorities are displayed during a news conference Oct. 9, 2018, in Los Angeles. As Americans reel from repeated shootings, law enforcement officials and experts on extremism are taking increasing notice of the sprawling online space devoted to guns and gun rights: gun forums, tactical training videos, websites that sell unregistered gun kits and social media platforms where far-right gun owners swap practical tips with talk of dark plots to take their weapons. (AP Photo/Jae C. Hong, File)
Featured Photo Galleries
