Anderson Cooper speaks with Salon.com reporter Alex Seitz-Wald, who has been covering the Sandy Hook conspiracy theories, and Jordan Ghawi, whose sister was killed in the Aurora, Colorado movie theater shooting. Ghawi was targeted by conspiracy theorists days after Jessica died.

Seitz-Wald researched conspiracy theories in the U.S. and found most followers are "inclined to believe the government is out to get them" and is collaborating with the media. "They have this confirmation bias, as psychologists call it, to look for only evidence that supports their theories and disregard anything that says otherwise," he says.

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Two religious leaders in Newtown, Connecticut, discuss the community healing process one month after the Sandy Hook shooting.

Danielle Vabner, the sister of Sandy Hook victim Noah Pozner, says talking about him has helped her family cope with their loss.

The Newtown school Superintendent Janet Robinson and school board Chairwoman Debbie Leidlein say keeping the Sandy Hook kids and teachers together is a priority.

Sympathy cards, letters and gifts were sent to Newtown from all over the world. CNN's Gary Tuchman reports on the volunteers sorting and reading the messages.

Jennifer and Matt Hubbard talk about how faith has given them strength after their daughter, Catherine, was killed in the Sandy Hook Elementary School shooting one month ago.