connected to a criminal organization nor would they share the number of people that they believe were involved. more now from rosa flores across the border in brownsville, texas. >> reporter: two of four missing americans are back in the yupd and receiving medical treatment after being kidnapped in mexico after what a u.s. official tells cnn was a case of mistaken identity. two were found dead and one of the survivors is severely injured with a bullet wound to his leg. according to u.s. and mexican officials. in the party of four, latavia mcgee and eric williams were killed. shaeed woodard and zindell brown were killed. >> and we extend our condolences to the families. >> reporter: they crossed the border into mexico for mcxwee to obtain a medical procedure.