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A family member told CBS 2 the child, Huntley Pohlman, suffered serious injuries; including broken ribs, a broken femur, a broken arm, a cracked skull, a broken jaw, and his teeth being shoved into his gums.
According to a police, Jada exhibited signs of recent physical abuse "as well as older indicators."
The husband was pronounced dead on the scene and his wife died later at a local hospital.
The man, who has not been identified, was found in the 4600 block of North Sheridan Road with multiple wounds to the body.
Police used the stolen vehicle's OnStar system to locate the man after he fled.
Police say officers responded at 12:07 p.m. when a 6-year-old girl came home and told her mom that a man had taken her 10-year-old sister.
Ulysses Campos was fatally struck in the chest while in the 2800 block of Elder Lane.
The Marine Unit responded to a call of a vehicle in the water in the 12500 block of South Stony Island Avenue around 5:36 p.m.
The armed robbers got away with two cash register drawers in a black BMW X5, a gas station clerk told police.
The amount of rain in Berwyn totaled 8.96 inches.
Three Cubs players and one White Sox player are heading to the MLB All-Star game this year.
Chicago Police say the 46-year-old man was arrested in the 1200 block of South Lake Shore Drive just after 9 p.m.
The area was evacuated, and attendees were asked to shelter in personal vehicles of at the Bartlett Community Center.
The medical examiner's officer further stated that the cause of his death was "contact with electric wires" and was ruled an accident.
Officials said this was triggered by severe weather conditions.