A shoot-out at a Big Bend ranch captured the nation’s attention: first as an alleged ambush by undocumented migrants, then as a fear-mongering hoax. The real story is much more mysterious.

How the Congressional baseball shooting didn’t become the deadliest political assassination in American history.

"The couple tried to make them leave. They complained to the police. When that didn’t work, they tried to build friendships, hoping they could charm the squatters into respecting their property. Sometimes, they hid in their house. For three years, the tension built. Until one sweltering summer night in 2016."

Two decades later, a traffic stop on a country road is still teaching police officers about deadly force – and the cost of hesitation. Part 1 of “The Trigger and the Choice,” a 3-part series.

The story of a school shooting in Townville, S.C. and what happened to the first-graders who saw it all happen.

Survivors of the Pulse nightclub shooting, nine months later.

On August 1, 1966, Charles Whitman entered the University of Texas at Austin’s Main Building. Armed with a number of rifles, he proceeded to kill 14 people and wound 32. Among them was a pregnant Claire Wilson.

The ongoing question of forgiveness in Charleston, where Dylann Roof opened fire in a church on June 17th.

A trailer and the people who lived with Dylann Roof in it before he killed nine people in a Charleston church.

The mystery of a death in Dallas.

An oral history of the University of Texas Tower massacre.

A week in the author’s life when it became impossible to control the course of events.

The noon chimes in the bell-clock tower rising above him to the building's 307-foot pinnacle sounded: pom-pom-pom-pom . . . 16 notes, high and sweet. Some say the chimes say a poem: "Lord, through this hour "Be Thou my guide, "For in Thy power "I do confide." After the chimes, there is a long pause -- 23 seconds if you hold a wristwatch on it -- time enough for a practiced man to reload three rifles and a shotgun.

“Doc” Quigg’s wire report on the 1966 Texas Tower shooting on the campus of UT-Austin.

On the post-shooting life of Rep. Gabrielle Giffords.

A blow-by-blow account of Howard Unruh’s slow, deadly walk through Camden, New Jersey – filed an hour before deadline.

On the difficulties of holding Oakland’s thin blue line accountable.

How the culture of academia helped Amy Bishop, a University of Alabama scientist who murdered colleagues during a faculty meeting, fall apart.

The Gabrielle Giffords shooting, from the vantage point of three central figures: Daniel Hernandez helped save the congresswoman’s life; Patricia Maisch stopped the shooter from reloading; Bill Badger tackled him.