The third man arrested on murder charges in a 2022 drug deal gone bad is in the Palm Beach County Jail, accused of firing a gun that killed a 20-year-old man.
Mivenson Hero, 26, of Delray Beach is facing charges of first-degree murder and robbery with a firearm in the March 15, 2022, killing of 20-year-old Jean Oneal Guillaume in a Greenacres parking lot.
Hero’s arrest follows those of Lucas Torres and Irijah Nembhard in Guillaume’s death, and it came days after Torres accepted a deal from prosecutors…