Ernestina Godoy, the city attorney general, said studies found that construction defects like poor welds and missing connection studs caused the collapse. She said bad design also played a role.
They killed him : Mother of boy, 12, who died with 23 others in Mexico City subway crash blames officials for flawed structure as she learns his fate after frantic hours spent searching for her son
Brandon Tapia was travelling on the train with his father when the overhead rail collapsed, sending two carriages crashing onto the busy road below on Monday
Brandon s mother Marisol Tapia, 28, who made desperate pleas to TV crews at the scene for help to find her son, was shown his body at a city morgue last night Nothing is going to give me back my son. Nothing is going to give him back. They killed him, Ms Tapia told reporters outside the prosecutor s office