Alexander Paffendorf expressed regret for his involvement when a judge offered a chance for final words before keeping an ...

On Dec. 16, in Madison, Wisconsin, 15-year-old Natalie Rupnow shot and killed two other people before taking her own life.

Alexander Paffendorf, who has been accused of helping Wisconsin teenager Natalie Rupnow plan a school shooting, appeared in ...

The school shooting led officials to a similar plot in California, which was foiled by its red-flag law.

Authorities quickly discovered that she had allegedly plotted the attack with Alexander Paffendorf, a 20-year-old California man who admitted to having his own plan to arm himself with a gun and ...

A California man apologized Friday for his connection to a 15-year-old girl who fatally shot a teacher and fellow student at a religious school in Wisconsin, telling a judge that he was prepared ...

Authorities quickly discovered that she had allegedly plotted the attack with Alexander Paffendorf, a 20-year-old California man who admitted to having his own plan to arm himself with a gun and ...