but she never made her appointment. four u.s. citizens were kidnapped in a case of mistaken identity according to u.s. officials. they believe the mexican cartel mistook the americans for haitian drug smugglers. family members told cnn the group was traveling to mexico for a medical procedure. according to the fbi the four crossed the border with a white mini van with south carolina license plate. when they were fired upon on identified gunmen. in this video obtained by cnn, armed men are putting four people in a bed of a white pickup truck. it s unclear if they re the missing americans. in this photo a woman is sitting by three people with all the doors open. a u.s. official with knowledge of the investigation awe then