Friend of Oceangate CEO accuses him of murder after Titan sub disaster killed five onboard

British adventurer Hamish Harding, 58, Shahzada Dawood, 48, and his son Suleman Dawood, 19, French Navy pilot Paul-Henry Nargeolet and OceanGate CEO Stockton Rush all died on June 18 after their submersible imploded in the middle of the Atlantic, on its way to the Titanic wreckage.