Michael Jerome Clark, Sr. booking photo (Bi-State Detention Center)
"They told us that a juvenile girl and an older man were there eating together and something didn’t seem right about the situation," the post read. "As we started trying to figure out what was going on, it became increasingly obvious that their instincts were spot on."
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An investigation revealed that the man, identified as 79-year-old Michael Clark, and the 13-year-old girl "barely" knew each other.
Police said the 13-year-old girl said Clark offered her money in exchange for sexual favors earlier that day and touched her inappropriately during a previous encounter just weeks prior.
Whataburger Restaurant in Texas (iStock)
On Tuesday, police added, the girl was walking down the street when Clark picked her up and took her to Whataburger.
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Representatives for the fast food chain did not immediately respond to inquiries regarding the matter.
After investigating the situation further, detectives obtained a warrant for Clark and arrested him on Wednesday on charges of indecency with a child and solicitation of prostitution.
He is currently being held on $225,000 bond.