Here are five things to know about Francis' trip to the largest Spanish-speaking Catholic country in the world.
Ethan Couch fled to Mexico in December with his mother after apparently violating the probation deal reached in juvenile court that kept him out of prison for killing four people in 2013.
Ethan Couch, 18, was deported a day earlier from Mexico, where authorities believe he and his mother fled as Texas prosecutors investigated whether he violated his probation in the 2013 wreck.
Ethan Couch, 18, was booked into a juvenile detention facility in Fort Worth after he was deported from Mexico on Thursday.
Ethan Couch was deported from Mexico on Thursday.
Ethan Couch, who used an "affluenza" defense in a fatal drunken-driving accident, was taken to the Mexico City airport to fly him back to Texas to face charges.
A Mexican federal judicial official said that Couch's attorney in Mexico filed a document on Sunday seeking to lift the injunction that has kept the 18-year-old in that country.
El menor, quien fue reportado como desaparecido en Texas, fue hallado luego de que la AIC desplegara un operativo
Ethan Couch remains in custody in Mexico after winning a delay on his deportation back to Texas.
The mother and son were arrested in the Mexican resort city of Puerto Vallarta late last month.