deborah bonello, a senior editor at vice news, based in mexico city, has more details on the investigationid that the investigation will be done by an international company, a norwegian company, which i think speaks to the general distrust that there is in mexico of the country's institutions and leadership, so it will be interesting to see what the international investigators make of this. as will mentioned in his report, the same thing happened when the 2017 earthquake struck and a lot of buildings fell down. there is a reckoning around the regulations and supervision over the construction of infrastructure projects. now the linea rossa that was the part of the line that fell down was actually sort of problematic from the start. it was meant to be one of these lines that connected mexico city's outer boroughs with its central boroughs because millions of people commute into the city every day to do typical working—classjobs, like domestic helpers, nannies, construction workers, people who work in fast food restaurants, but i thinkjust a year and a half after the line had been finished it