ATLANTA—A Georgia man who professed a passion for guns and God was in custody on Tuesday night after a string of shootings that police said appeared to target Asian women at massage parlors and left eight people dead. Aaron Long, 21, of Woodstock, Georgia, was caught on video at the crime scenes and later nabbed on a highway two hours south of Atlanta following a police chase, authorities said. Police stressed that it was still much too early to announce a motive, but the horrific attacks come amid a wave of targeted violence against the Asian-American community. Details about the...