The US Coast Guard’s Marine Board of Investigation will convene today to hear evidence on the failure of the Titan submersible in June 2023, which led to the death of 5 people during a dive to the Titanic wreck. Its aim: to determine the cause of the sub’s implosion, look into whether incompetence or negligence was involved, and decide if any laws were broken. Despite safety warnings from experts, the sub imploded about 500m from the Titanic’s bow. But reports say we shouldn’t expect to hear from key witnesses over the coming fortnight – those involved would likely refuse to give evidence on the basis that what they say could incriminate themselves. They would likely get involved in any future prosecution if the board goes in that direction. What officials do have for this exercise is a lot of data and physical evidence…