Prosecutor: Arizona border rancher shot at unarmed migrants

George Alan Kelly enters court for his preliminary hearing in Nogales Justice Court in Nogales, Ariz., Wednesday, Feb. 22, 2023. Kelly, faces a first-degree murder charge in the fatal shooting of Gabriel Cuen-Butimea, who lived just south of the border in Nogales, Mexico. (Mark Henle/The Arizona Republic via AP, Pool)

George Alan Kelly enters court for his preliminary hearing in Nogales Justice Court in Nogales, Ariz., Wednesday, Feb. 22, 2023. Kelly, faces a first-degree murder charge in the fatal shooting of Gabriel Cuen-Butimea, who lived just south of the border in Nogales, Mexico. (Mark Henle/The Arizona Republic via AP, Pool)

PHOENIX — The prosecutor in the case against an Arizona rancher accused of killing a Mexican man on his land near the U.S.-Mexico border alleged during a court hearing Wednesday that the rancher fired that day on a group of about eight unarmed migrants who entered the U.S. illegally.