good yet. a difficult task. you are three stories down. though you have devices listening for digging. maybe fryingtrying to measure anomalies in the earth. they have to be really close before they can tell something is going on here. bigger question though is how come nobody noticed the dirt. we said this is a mile long here. think abut this.out this. a mile long. taking a lot of dirt away. in fact more than 200 big dumptrucks full. hard to imagine, for all that going on nobody out here seemed to have noticed anything. there was the construction site this tunnel emptied out into. perhaps they were masking it with some of that construction work. incredible this happen. tom, appreciate the reporting. thank you. it is an extraordinary development we learned the press conference in mexico city just got pushed back slightly. we ll keep an eye on it. bridge you any late developments from it. if there is news from there we have learned. our next guest, devote a major part of his career t