Kirk Moore, the principal at Pauls Valley High School in Oklahoma, exclusively told CBS News how he acted on "just instinct" ...

Surveillance video obtained by sister station KOCO shows the moment an alleged gunman approached an Oklahoma high school with ...

Pauls Valley, Oklahoma principal Kirk Moore spoke with CBS News about the moment he stopped a gunman who had entered the ...

Newly released video shows the moment an Oklahoma high school principal confronted and tackled a gunman after he opened fire inside the school. The footage shows Pauls Valley High School Principal ...

An Oklahoma high school principal "saved kids' lives" last week when he tackled a gunman and was shot in the leg in the process, the local police chief said ...

Kirk Moore, the Oklahoma principal who tackled a gunman​, sits down with CBS News for a network exclusive interview airing ...

Kirk Moore, the Oklahoma principal who tackled a gunman who had entered his school, spoke exclusively to Matt Gutman about ...

Kirk Moore is being hailed as a hero for tackling a gunman at an Oklahoma high school. See the video.

Documents say the gunman admitted he “wanted to conduct his own school shooting like the Columbine shooters did.” ...

Pauls Valley High School Principal Kirk Moore was shot in the leg during the attack, but no students were injured.

Newly released surveillance video shows the moment when the principal of Pauls Valley High School in Oklahoma tackled a gunman who opened fire in the school's lobby. The principal, Kirk Moore, was ...

Pauls Valley High School Principal Kirk Moore was shot in the leg but still managed to tackle a former student accused of opening fire inside the school, preventing further harm ...