A survivor of the migrant trailer: ‘They couldn’t breathe’

Mynor Cardona shows a photo on his cellphone of her daughter, Yenifer Yulisa Cardona Tomás, at the hospital while receiving a visit, in Guatemala City, Monday. Yenifer Yulisa Cardona Tomás is one of the survivors of the more than 50 migrants who were found dead inside a tractor-trailer near San Antonio, Texas. (AP Photo/Oliver de Ros)

GUATEMALA CITY — Simple advice from a friend to stay near the door may have saved Yenifer Yulisa Cardona Tomás from the deadly fate that befell 53 other migrants when they were abandoned trapped in a sweltering semi-trailer last week on the edge of San Antonio.