A Chicago police union on Tuesday reiterated its demand for federal investigators to examine the case of Jussie Smollett, the "Empire" actor who saw charges he faced of making a false police report dropped earlier Tuesday.

Chicago Fraternal Order of Police President Kevin Graham told CNN that he wants the Justice Department to investigate text messages obtained by CNN that appear to show a former chief of staff to Michelle Obama Michelle LeVaughn Robinson ObamaMichelle Obama: 'Don't listen to people who will say that somehow voting is rigged' Michelle Obama and Jennifer Lopez exchange Ginsburg memories Social media platforms put muscle into National Voter Registration Day MORE working with the state's attorney in the case to see the charges shifted to a federal investigation.

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"We're doubling down on that. We want to make sure that the Justice Department takes a very hard look with that case and what went on today," he told CNN.

Graham's statements come after the news network obtained text messages that show Tina Tchen, Obama's former chief of staff, talking to State's Attorney Kim Foxx about what police said was an attempt to "diver[t] the case from Chicago police department to a federal investigation."

"Spoke to Superintendent Johnson. I convinced him to (r)each out to FBI to ask that they take over the investigation. He is reaching out now and will get back to me shortly," Foxx told Tchen in one message.

The news comes after Chicago police reacted with shock and dismay Tuesday after it was revealed that charges against Smollett at the state level had been completely dropped with an understanding that the actor would complete community service.

"I don't know what's unusual for the state's attorney but we found out about when you all did," Chicago Police Superintendent Eddie Johnson said at a press conference. "Prosecutors have their discretion of course, we still have to work with the state's attorneys office. We'll have conversations after this."

Smollett had been accused of faking a hate crime after he told police that he was attacked by two men who shouted homophobic and racist slurs. Police later said the attack was staged and committed by two men who worked on "Empire." Smollett has consistently denied any wrongdoing and proclaimed his innocence again on Tuesday.

“Not for a moment was it in vain. I’ve been truthful and consistent on every level since day one,” he told reporters. “I would not be my mother’s son if I was capable of one drop of what I was accused of."