Mother lets son embark on fateful Titanic dive instead of her due to canceled trip.
Suleman Dawood's lifelong desire to visit the Titanic ends in tragedy.
Teenager's ambitious plan to solve puzzle 3,700 meters below sea takes a tragic turn.
Aunt reveals Suleman Dawood's fear and hesitation before joining the ill-fated dive.
The Titan submersible's catastrophic implosion claims the lives of five passengers, including the Dawood father-son duo
Authorities investigate the cause of the implosion as debris is found on the ocean floor.
Mother and sister vow to learn to solve the Rubik's Cube in honor of Suleman Dawood.
The possibility of a criminal investigation looms as authorities examine the Polar Prince for clues.