It took jurors just over four hours to convict Aaliyah Jack of second-degree murder in the death of her 4-year-old son, Legend, and cruelty to a juvenile for abandoning his 1-year-old brother, Kingtrail. The grim discovery began on July 8, 2024, when Legend’s body was recovered from the waters behind the Louisiana Welcome Center. His infant brother was found a day later, crawling through a ditch on the side of Interstate 10 near Vinton. “This is…