The State's Attorney's Office said she recused herself after having a conversation with a relative of Smollett about the case.
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RELATED: Cook Co. State's Attorney Kim Foxx recuses herself from Jussie Smollett investigation
Foxx announced her recusal on Feb. 20, and that same day a spokesperson released a statement to ABC News, telling them, "Out of an abundance of caution, the decision to recuse herself was made to address potential questions of impartiality based upon familiarity with potential witnesses in the case."
According to the text messages obtained by ABC7 from the State's Attorney's office, the Smollett family was worried about leaks in the investigation and reached out to Foxx through a politically-connected lawyer.
The family wanted Foxx to ask Chicago police to request that the FBI take over the lead in the investigation.
RELATED: Timeline of key moments in alleged attack on Jussie Smollett
In a statement Wednesday afternoon, Chicago Police Spokesman Anthony Guglielmi said, "the FBI was working on that investigation from day one. There was never a point where the FBI could take the entire investigation on because there was no evidence produced to support Smollett's claim of a hate crime."
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Smollett is due back in court Thursday, facing 16 felony counts of disorderly conduct for filing a false police report. He denies that he asked two brothers to stage an attack against him.
RELATED: Jussie Smollett indicted on 16 felony counts by grand jury
Smollett was originally charged with one felony count of disorderly conduct for filing a false police report by the Cook County State's Attorney's Office on Feb. 20.
The TV actor claimed he was the victim of a vicious hate crime in the Streeterville neighborhood on Jan. 29. He said two men physically attacked him while yelling racist and homophobic slurs, threw a chemical liquid on him and looped a rope around his neck.
Two days after the alleged attack, Chicago police released surveillance images of two people they said they considered persons of interest in the attack.
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RELATED: Jussie Smollett charged with disorderly conduct for filing false police report, prosecutors say
But the investigation turned on Smollett. He's now accused of allegedly orchestrating the attack with the Osundairo brothers, who he knew. One brother was an extra on "Empire" and the other was Smollett's personal trainer.
Prosecutors say Smollett paid the Osundairo brothers to pull off the staged attack.
RELATED: Brothers told police Smollett was upset threatening letter didn't get enough attention, staged attack
Smollett had also reported a threatening letter sent to him on the "Empire" set containing a white powder, a week before the alleged attack. The letter is currently in the FBI crime lab for analysis, sources said, and experts believe Smollett could face federal charges for allegedly sending the letter.