Robert Listman News Today

>> theres a crack in a column that was not here before the collapse >> reporter: robert listman said this crack with debris is determined structurally sound and the building has steps to maintain safety but he wants to know why engineers wont arrive here until next year. >> they knew about the issues in the building for so long and they allowed it to go and get past a point where it collapsed i would like to prevent that. >> reporter: jose, the mayor of miami-dade is directing a mandatory audit ...