Jahreme ‘J-Man’ Shelton, the Jamaican national who prosecutors have sought to call as an overseas witness in the high-profile triple-murder case against music producer Linval ‘Shab Don’ Thompson and his co-accused, is now set to face a Broward County, Florida, jury on charges stemming from a fatal double shooting.The closely watched cross-border case is one that investigators have linked to a violent St James gang feud that authorities say spilled from western Jamaica into South Florida.