https://apnews.com/article/titan-submersible-implosion-hearing-3e698a31c32d753b2d34e28900f65bdc

A key employee who labeled an experimental submersible unsafe prior to its last, fatal voyage was set to testify Tuesday before U.S. Coast Guard investigators.

David Lochridge is one of the most anticipated witnesses to appear before a commission trying to determine what caused the Titan to implode en route to the wreckage of the Titanic last year, killing all five on board.