Woman in group of kidnapped U.S. citizens was in Mexico for cosmetic procedure, official says

The FBI is offering a $50,000 reward for the return of four Americans thought to have been kidnapped at gunpoint in an attack in Mexico on Friday that also led to the death of a Mexican citizen, authorities said.
A law enforcement official with knowledge of the matter said a woman in the group had been seeking a cosmetic medical procedure. Cartel gunmen targeted the group in a case of mistaken identity, the official said.
The four Americans drove into Matamoros, Tamaulipas, in a white minivan with North Carolina plates Friday, the...