The 21-year-old man was apprehended in Crisp County about 150 miles south of Atlanta.
Victims of the shootings appeared to be mainly Asian women, and include six of the eight tragic victims, say cops.
Of the eight dead, seven were women and one a man, added officials.
SPA MASSACRES Atlanta shootings: Six Asian women among eight killed in two-hour gun rampage at three spas as suspect, 21, arrested
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