A man was robbed at gunpoint last Friday night in a dark Blues Hill Cemetery after he was lured there by a woman he met on an online dating site.The victim, a 27-year-old DeKalb County man, told investigators he met the woman who called herself “Patricia” on the Plenty of Fish dating site not realizing he was being set up to be robbed. The couple who hatched the felonious scheme, Nicholas James Klingerman, 25, and Alanis Cheyenne Cook, 18, have been charged with carjacking and aggravated robbery. They could face up to 12 years in prison if convicted.Deputies were summoned to Blues Hill Cemetery on Short Mountain Road last Friday.