A Mississippi man pleaded not guilty Tuesday to federal charges alleging he was involved in a murder-for-hire plot that led to the shooting death of a man whose grandmother’s St. Louis-area soul food restaurant was the setting for the reality show “Welcome to Sweetie Pie’s."KTVI reports the slain man’s uncle, James Timothy Norman, of Jackson, Mississippi, entered the plea Tuesday. He was arrested in August on charges alleging he was involved in a murder-for-hire plot that led to the shooting death of 20-year-old Andre Montgomery near a St. Louis park four years ago.Norman is accused of taking out a $450,000 insurance policy on Montgomery, of which he was the sole beneficiary. According to court documents, Norman conspired with an exotic dancer from Memphis in the murder-for-hire plot that ended in Montgomery's death.