FIGHTING VIDEO FOOTAGE: FBI confirmed to journalists that its field office in Charlotte, North Carolina, has opened an investigation into Shanquella Robinson's death after getting beat up by her friends

MEXICO CITY — Mexican prosecutors said Thursday they have opened an investigation into the death of a U.S. woman seen being beaten in a video that has gone viral.

Prosecutors in the state of Baja California Sur said in a statement they are investigating the death of a woman they identified only as a foreigner, at a resort development in the town of San Jose del Cabo.

A state official who was not authorized to be quoted by name confirmed the victim was Shanquella Robinson. The official confirmed that the group she had been traveling with had since left Mexico.

The FBI confirmed to USA TODAY that its field office in Charlotte, North Carolina, has opened an investigation into Robinson's death. FBI's Charlotte division confirmed she was a resident of the city but declined to comment further.