[3] Weaver was a member of the Southwest Combat Pistol League,[3] along with several other world-class shooters including Ray Chapman.

[4] In 1955, the team and individuals won the national championships at the Toledo, Ohio, combat range using both one-handed and two-handed stances.

Weaver retired from the Los Angeles County Sheriff's Department in 1979, and resided near Carson City, Nevada, until his death.

[3] The stance, which incorporates a two-handed grip, isometric tension to reduce muzzle flip, and aimed fire using the weapon's sights, was adopted in 1982 as the official shooting style of the Federal Bureau of Investigation.

[5] Weaver's approach to handgun technique is reflected in a 1994 letter he wrote to Handguns magazine: "Practice, experiment, shoot in competition, stick to one gun, one style (no last-second decisions) and don't wait until you're in a shootout to find out what works and what doesn't.