Police said a man robbed a gas station, a Starbucks and a CVS Pharmacy since Dec. 8.
The video shows one of the teens waving a gun around while the girl performs a sex act, authorities said.
A 17-year-old was charged in the death of his 4-month-old son, Demari Brown, in West Englewood.
The 35-year-old was pronounced dead on Wednesday after being shot during the weekend, authorities said.
Two brothers were killed in West Pullman and a man was killed in Chicago Lawn, police said.
Metal barriers deterred fence jumpers, and increased security helped keep Lollapalooza crime down.
Separate attacks left Tommie Bates Jr. with stab wounds; one paralyzed him, the other took his life.
Police said they are questioning a man in connection to the July 8 attack.
Police said robbers are targeting pedestrians and delivery drivers, and warned of two burglaries.
Witnesses said a man was stabbed after a disagreement Friday afternoon in the Humboldt Park neighborhood.
Prosecutors said Dwayne Riley, 41, robbed a student with brass knuckles near a South Side Red Line stop.
Alex Quiles, 28, was held on $150,000 bond Friday after allegedly robbing a delivery man of his pizza.
A bloody weekend included a police-involved shooting in Chatham Saturday morning.
Lewis Page was held on $150,000 bond by Cook County Judge Laura Sullivan.
Neighbors don't know why anyone would have wanted to kill Raymond Tucker.
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