Dozens of lives were saved in the Michigan high school shooting. Find out how the A.L.I.C.E. training program really paid off and why every adult should know it.

Dozens of lives were saved in the Michigan high school shooting. Find out how the A.L.I.C.E. training program really paid off and why every adult should know it.

Three people were killed and 8 others were wounded Tuesday during a shooting at a high school in Michigan. Recapping the first day of the Ghislaine Maxwell trial in New York. Journalist Mariana van Zeller discusses her new docu-series.

Three people were killed and 8 others were wounded Tuesday during a shooting at a high school in Michigan. Recapping the first day of the Ghislaine Maxwell trial in New York. Journalist Mariana van Zeller discusses her new docu-series.

Three people were killed and 8 others were wounded Tuesday during a shooting at a high school in Michigan. Recapping the first day of the Ghislaine Maxwell trial in New York. Journalist Mariana van Zeller discusses her new docu-series.

The show starts with a look at the recent high-profile smash-and-grab robberies, then focuses on trials involving big names.

The show starts with a look at the recent high-profile smash-and-grab robberies, then focuses on trials involving big names.

The show starts with a look at the recent high-profile smash-and-grab robberies, then focuses on trials involving big names.

Ahmaud Arbery�s killers were convicted of his murder Wednesday, with the jury rejecting their argument of self-defense.

Ahmaud Arbery’s killers were convicted of his murder Wednesday, with the jury rejecting their argument of self-defense.