Harold Rashad Dabney III was arrested Sunday on two counts of capital murder in the death of Dr. Julie Schnuelle, 59, a veterinarian and mother whose body was found in a dog park on Saturday.
They were among nearly 500 workers apprehended at a construction site for a South Korean battery maker, officials said. The episode prompted diplomatic concern in Seoul.
A Homeland Security official said 475 people, most of whom are South Korean citizens, were arrested at a construction site in Ellabell, Ga., on Friday.