Newly released audio reveals OceanGate CEO Stockton Rush’s wife, Wendy Rush, was monitoring the Titanic expedition aboard a support ship when she heard the exact moment her husband’s sub fatally imploded, asking, “What was that bang?” The haunting sound, described as a “distinguishable" pop, marked the instant the Titan sub was destroyed, killing all five aboard. The Coast Guard is expected to release a final report on its investigation later this year, but preliminary findings documented the mangled wreck of the Titan.

Implosion: The Titanic Sub Disaster review – the enraging tale of how five people died in an underwater deathtrap
This documentary on how a wealthy man charged six-figure sums to take four people to the bottom of the sea in an unsafe submarine is frustratingly light on answers to the ultimate question: why did their deaths happen?