The body of 73-year-old Myrtle Brown was found near her home by neighbors in Maywood back in September.
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Prosecutors said Brown was using his mother's credit card in Mexico in the days after her death.
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Brown played football at Proviso East High School before his collegiate career at Notre Dame and professionally with the Patriots, Jaguars, Colts and Bills.
He's next due in court Jan. 24.
The video in the player above is from an earlier report.