CHICAGO (WLS) -- A fourth woman was attacked on the city's Northwest Side, Chicago police said.
On Sunday, a 23-year-old woman was sexually assaulted around 2 a.m. in the on the 3200-block of West Palmer Street, police said.
The victim was attacked and assaulted inside a car before the suspect ran away, police said.
"Hearing about the recent events that have gone on the past two months have raised our eyebrows and made us a little bit more concerned," Logan Square said Gina Morrison said.
The other three assaults happened at the following locations and times, according to CPD:
In each of the assaults, an offender approached a female victim before sexually assaulting her, police said. In two of the crimes, the suspect was armed with a sharp object.
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Two of the crimes happened on a sidewalk, and one crime happened in the hallway of an apartment building, police said.
"I make sure I've got only one headphone in, especially when it's dark out. I only go to well-lit areas, especially when I'm walking my dog and then minimize my time in areas I don't know, as well," neighbor Ian Champ said.
In the Armitage attack, the suspect is described as a man between 20 and 30, with dark eyes, black hair, a thin build and a possible accent.
He is about 5-feet, 4-inches tall, police said.
No one was in custody as Chicago police continue to investigate the crimes.
Anyone with information is asked to call CPD at 312-746-6554.
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