What happened to Oliver Tree before the fatal Rio helicopter crash?
A tragic helicopter collision over Rio de Janeiro, Brazil, has drawn global attention after authorities confirmed that American singer and comedian Oliver Tree appeared on the passenger manifest of one of the aircraft involved. The midair crash killed all six people on board and sparked a fire after one helicopter crashed into a car dealership parking lot.
In this video, we look at Oliver Tree's rise to fame, the events leading up to the crash, eyewitness accounts from the scene, and the ongoing investigation by Brazilian authorities into the cause of the deadly collision.
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