First public hearing on probe of collapsed condo tower in Surfside yields no answers — yet

MIAMI — The federal investigation into the cause of the catastrophic collapse at Champlain Towers South is “well underway,” officials said Monday during their first formal update on the probe. But four-plus months after the tragedy, there is no official word yet on what might have caused it or a timeline of when that answer could come. The deliberate pace is not unusual for the National Institute of Standards and Technology, a sub-agency of the Department of Commerce whose mission includes investigating a select few major building failures. But it’s a source of frustration for some family memb...