Video footage reveals disturbed man's final moments before being found dead inside the engine of a Delta aircraft

An alarming video was recently released that showed a Utah man breaching an emergency exit door and running out to the tarmac before ultimately being discovered dead inside the engine of a Delta plane, according to KSTU.

Kyler Efinger, 30, was found dead on Near Year's Day after making his way into the turbine of an airplane. The aircraft was prepared to take off at Salt Lake City International Airport.

One hundred people were reportedly aboard the plane.

In the video, Efinger can be seen trying to pull open a locked door after having an exchange with what appears to be an airport employee. He then slams his shoe against a window before kicking open another door and hurrying down a flight of stairs.

The video eventually cuts to an outdoor thermal imaging camera, which appears to show Efinger running across the tarmac toward a plane. The footage ultimately cuts off before the man makes it to the aircraft.

Though it has not been confirmed, Efinger's family believes that he may have experienced a mental health crisis before his scheduled flight to Denver to visit his ill grandfather, according to the New York Post.

“He got held up in security, missed his flight, and those phone calls, I just knew it was coming on," Judd Efinger, Kyler's father, said. "They call it the manic phase. Those just don’t end well for him."

“Obviously, this one, the worst ever,” he added.

Efinger was reportedly under the impression that he was being profiled by the TSA during the episode, which could have been ignited by his bipolar disorder, according to his family via KSL News.

The family also revealed that his bipolar disorder erupted after he was bullied at school. When students claimed that he "needed help," he refused to get help, seeming to think that not seeking medical attention would invalidate the students' claims.

Efinger was discovered "partially inside a wing-mounted engine" of the aircraft after an airport store manager reported a disturbance just before 10:00 pm.

The report noted that the Salt Lake City police and airport employees found Efinger's personal items strewn across the runway. He was pulled out of the engine, and though there were efforts to save his life, he was pronounced dead at the scene.

The medical examiner's office has not yet released the specific cause of death in the case.

The authorities are still investigating the security breach and death.

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