For the first time, engineers who investigated the collapse of Champlain Towers South are going public with the evidence they say points to where the first failure in the structure occurred just minutes before the building came down, killing 98 people.  Engineers form the Chicago-based national engineering firm Wiss, Janney, Elstner Associates were hired by the court-appointed receiver for the condo association to investigate the collapse.    Read the article…………………………….