The discovery was made around 7:07 p.m. in the 300 block of West 31st Street in Armour Square, Chicago police said.
A male and a female, whose ages were not yet known, were each found with a gunshot wound to the head, police said. They were pronounced dead at the scene. Their identities were also not known.
A firearm was found at the scene, CPD said. The incident is being investigated as a homicide. Investigators believe it was a murder suicide.
No further information was immediately available.
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