For two years in the late 1950s, an almost nightly series of burglaries cleaned out homes and businesses across Chicago's North Side. The robbers cracked safes, stole jewelry, made off with store merchandise, and emptied houses of expensive furniture. But this wasn't the work of the city's crime syndicates or ordinary street gangs: the heists were all planned by a group of uniformed Chicago Police.
SOURCES:
To Serve and Collect: Chicago Politics and Police Corruption from the Lager Beer Riot to the Summerdale Scandal by Richard Lindberg
https://www.goodreads.com/book/show/2399218.To_Serve_and_Collect
Richard Lindberg's article on Summerdale: http://www.richardlindberg.net/articles/summerdale.html
Boss: Richard J. Daley of Chicago by Mike Royko
https://www.goodreads.com/book/show/55322.Boss
To support the Civilian Police Accountability Council: https://www.caarpr.org/stop-police-crimes