The State Governor reported the incident in the municipality of Coyuca.
Egypt's Ministry of Tourism found that administrative authorities and the travel agency should have had clearer permission and in that sense would be held responsible.
14 Mexican tourists were mistakenly killed by Egyptian security forces in an airstrike last September.
One Mexican among the victims of San Bernardino mass shooting.
The victim was a U.S. citizen born in Sonora.
The disclosure about Tashfeen Malik provided details about the attack conducted with her husband Syed Farook.
Authorities say Robert Lewis Dear killed three people, including a police officer.
The attack left the man's body defleshed.
The attacks occurred in the turbulent southern state of Guerrero and in the border town of Rio Bravo.
The burned remains of the mother and her children were found inside the simple wooden home.