Good afternoon, Chicago.

Tinley Park police Cmdr. Patrick St. John, 54, was charged with domestic battery and violating an order of protection Friday, according to the Cook County sheriff’s office. St. John turned himself in at about 6:15 a.m. Friday and resigned later that day. His retirement will be effective Dec. 19. St. John has been on leave for the past several weeks, said Tinley Park Village Manager Pat Carr.

Sheriff’s detectives said St. John violated an order of protection by trying to contact the victim through a third party. Detectives also said St. John had previously assaulted the victim, according to a sheriff’s office statement.

Here’s what else is happening today. And remember, for the latest breaking news in Chicago, visit chicagotribune.com/latest-headlines and sign up to get our alerts on all your devices.

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Border Patrol Cmdr. Gregory Bovino back in Chicago as agents make arrests in Cicero and on city’s Southwest Side

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