The St. Lucie County Sheriff’s Office said it is holding a press conference Tuesday at 3 p.m. on the fatal shooting of Fort Pierce art teacher Andre Leonard Barnes, 66. An additional arrest is expected.
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Dale A. Mincey, 41, Barnes’ nephew, was formally charged with first-degree murder Saturday in connection with Barnes’ death, the sheriff’s office said. Mincey remains in custody at the St. Lucie County Jail and is being held without bond…