WASHINGTON Attorneys for the man accused of killing US activist Charlie Kirk have requested a delay in a preliminary hearing set for May, citing the need to review a large volume of evidence, according to local media reports. Kirk was fatally shot on Sept. 10 last year while addressing a group of students at Utah Valley University in the city of Orem, some 40 miles (64.4 kilometers) south of Salt Lake City. A suspect, 22-year-old Tyler Robinson, was arrested shortly after the attack and remains