She said there's no active investigation of Kelly and launching one would require victims and witnesses.
Investigators' quieries come as the Lifetime series adds a new dimension to the sexual abuse allegations Kelly has faced for the better part of his almost 30-year career.
Timothy and his wife Joycelyn have long maintained that their daughter is being held against her will by Kelly, and the singer forced the young woman to cut off family contact. At one point, Kelly seemed to not only acknowledge the ongoing controversy, he went as far to mock it. In a secret ceremony, she becomes the new Mrs Kelly.
In some cases, the women say they were underage.
TMZ has learned that law enforcement officials have a "person of interest" in mind, for a shooting threat that occurred during an advance screening of Lifetime's Surviving R. Kelly.
She urged anyone who may be a victim to come forward and call the Sexual Assault and Domestic Violence Division at 773-674-6492.
On Tuesday, Cook County State's Attorney Kim Foxx called for any R. Kelly sexual abuse victims to come forward, saying her office can not investigate without the cooperation of victims and witnesses. In a statement, Simonton said, "We can confirm that the office has received calls related to this matter". Foxx said she found the claims in docu-series disturbing.
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Foxx said her office has been in contact with two families who say they were victims.
Kelly, meanwhile, has steadfastly maintained his innocence of all the allegations made against him.
Cook County State's Attorney Kim Foxx is asking anyone with information to come forward.
"There's not gonna be any physical evidence, no confirmatory evidence", he said.
The case was referred to a local prosecutor, and a judge issued a warrant for Mason's arrest in July past year.
R. Kelly has been under investigation before - for child pornography, STD transmission and other crimes - with mixed results, but this time somehow feels different.
"I believe the documentary has opened up a new era".