Audio file not found.
Audio file not found.
Audio file not found.
Tom Mauser talks during a vigil remembering the 25th anniversary of the Columbine High School mass shooting, Friday, April 19, 2024, in Denver. (AP Photo/Jack Dempsey)
Nathan Hochhalter, left, talks with former principal Frank DeAngelis during a vigil remembering the 25th anniversary of the Columbine High School mass shooting, Friday, April 19, 2024, in Denver. (AP Photo/Jack Dempsey)
Thirteen chairs are empty with candles and roses to remember 25th anniversary of the Columbine High School mass shooting, Friday, April 19, 2024, in Denver. (AP Photo/Jack Dempsey)
Former Arizona Rep. Gabby Giffords is helped off the stage by Tom Mauser, who is wearing his son's shoes during a vigil remembering the 25th anniversary of the Columbine High School mass shooting, Friday, April 19, 2024, in Denver. Daniel Mauser was killed during the Columbine shooting. (AP Photo/Jack Dempsey)
Tim Hernandez hugs Kallie Leyba as former Arizona Rep. Gabby Giffords, second from right, hugs Anne Marie Hochhalter, right during a vigil remembering the 25th anniversary of the Columbine High School mass shooting, Friday, April 19, 2024, in Denver. (AP Photo/Jack Dempsey)