What is there to investigate.
The thugs rushed the border, threw rocks at the guards, and were dispersed by tear gas.
Will be repeated as often as necessary.
Anymore questions?
Caravan of displaced indigenous people repelled with tear gas in Chiapas
The protesters had marched from San Cristóbal to the capital to protest insecurity
Police used tear gas Saturday in Chiapas against members of the one caravan in Mexico whose destination is not the United States.
The caravan — made up of as many as 500 displaced indigenous people — had been marching from San Cristóbal de las Casas to the capital, Tuxtla Gutiérrez, arriving in time for the annual report to the state Congress by Governor Manuel Velasco
https://mexiconewsdaily.com/news/caravan-of-displaced-indigenous-people-repelled/