Story highlights No charges filed; DA says he will await investigative report

Peachtree City authorities say the police chief's wife was shot

She's in critical condition at Atlanta Medical Center

(CNN) Magazines and websites regularly rank Peachtree City, Georgia, as one of the best places to live and raise a family. The community's trademark: Residents putter around in golf carts on the community's 90-plus miles of paved pathways.

But on the first day of 2015, the town of 35,000 people south of Atlanta was known for something else.

The man tasked with keeping the peace in Peachtree City, Police Chief William McCollom, was being investigated in a shooting that left his wife in critical condition.

Authorities aren't revealing many details, but they said McCollom shot Margaret McCollom with his service Glock 9mm a few hours before dawn inside the couple's bedroom.

The chief told 911 it was an accident, said Sherry Lang, spokeswoman for the Georgia Bureau of Investigation.

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