It has been almost 18 months since MH370 vanished and still most questions about its whereabouts and what happened aboard the Boeing 777 remain unanswered. We spent the past few weeks ruling out catastrophic failure and human error as the most likely scenario, but what about a hijacking? Could someone have hijacked MH370 and its 239 passengers and crew on board? Did someone interfere with the aircraft and took it off course on purpose? Join us this week as we explore the most likely scenario in our fourth and final episode on the disappearance of MH370.