Designating a message or alert sent to all appropriate or relevant people; especially one sent to every officer in a police force, or from one police station or law-enforcement agency to others in an area, giving details of a suspected criminal, a fugitive, a stolen vehicle, etc. Chiefly in "all-points bulletin".
An all-points bulletin or alert.
1930s; earliest use found in The Oakland Tribune. From all + the plural of point.