Sandy Hook

"I would turn back time in a moment to have my boy back in my arms, but I can't do that."
Recent mass shootings have ignited passions on both sides of the gun debate.
A majority of the public supports stricter gun laws, but it's not at the top of their minds.
Fire tornadoes, man-eating sharks, poisonous snails -- nope, still not as crazy.
Retired FBI agent Clint Van Zandt is NBC's go-to analyst for these tragically recurring events.
Even one that would have stopped suspected terrorists from purchasing a gun.
At least 14 people were killed in San Bernardino. Twenty-eight died in Newtown.
"Silence in the face of this rash of mass shootings has become complicity."
The court largely rejected a sweeping constitutional challenge brought by gun rights groups.