As authorities release new images of the suspect accused of murdering UnitedHealthcare CEO Brian Thompson in midtown Manhattan, Aaron Katersky has new details on the words police say the suspect wrote on the bullet casings; Melissa Adan reports on the powerful 7.0 magnitude earthquake off the coast of Northern California, the biggest quake to hit the region in more than three decades; Pierre Thomas has new details on the two kindergarten boys in critical but stable condition after being shot by a man at Feather River Adventist School in California; and more on tonight's broadcast of World News Tonight with David Muir.