The investigation by the Public Accountability Initiative, a nonprofit corporate and government accountability research institute, and its research database project LittleSis, details how police foundations in cities such as Seattle, Chicago, Washington, New Orleans and Salt Lake City are partially funded by household names such as Chevron, Shell and Wells Fargo.

Revealed: oil giants help fund powerful police groups in top US cities

Investigation portrays fossil fuel industry as common enemy in struggle for racial and environmental justice in America