Terrifying new details have emerged from the horrifying death of a man who was sucked into the engine of a Frontier Airlines jet during takeoff at Denver International Airport — a tragedy so violent that witnesses described seeing human remains scattered across the runway as panicked passengers fled a smoke-filled aircraft in the middle of the night.

Authorities identified the dead man as 41-year-old Michael Mott, a Colorado native with a long criminal history who investigators now believe intentionally walked into the path of the aircraft in an apparent suicide mission.

The incident unfolded shortly after 11:19 p.m. Friday when Frontier Airlines Flight 4345, an Airbus A321neo carrying 224 passengers and seven crew members, was accelerating down the runway for departure to Los Angeles. According to airport officials, Mott had climbed over an eight-foot perimeter fence topped with barbed wire only minutes earlier before somehow making his way onto the active runway.

What happened next left even veteran investigators horrified.

Security footage reportedly captured Mott calmly walking across the dark runway directly toward the speeding aircraft as it thundered forward at nearly 139 miles per hour. Moments later, he was pulled into one of the jet’s engines in a catastrophic collision that triggered an onboard fire and sent shockwaves through the cabin.

Audio recordings from air traffic control revealed the panic inside the cockpit seconds after impact.

“Tower, Frontier 4345, we’re stopping on the runway… we just hit somebody,” the pilot radioed as alarms blared inside the aircraft. Another airport worker later reported seeing “human remains on the runway” while describing severed limbs near the burning engine.

Passengers onboard described scenes of absolute terror.

One traveler said the aircraft suddenly jolted upward before an explosion-like blast echoed through the cabin. Smoke quickly began spreading inside the plane as frightened families screamed and flight attendants ordered everyone to remain seated while emergency crews rushed toward the aircraft.

Another witness sitting near the wing claimed he saw “the legs of a human spinning around in the engine” after the collision.

The nightmare escalated further when passengers were forced to evacuate using emergency slides onto the freezing tarmac. Images from the scene showed traumatized travelers wrapped in blankets while firefighters surrounded the damaged aircraft.

Twelve people suffered injuries during the chaotic evacuation, and at least five were hospitalized.

As investigators dug deeper into Michael Mott’s background, an even darker picture began to emerge.

Public records revealed Mott had accumulated more than 20 arrests dating back to 2002, including charges involving attempted murder, assault with a deadly weapon, domestic violence, burglary, DUI offenses, resisting arrest, and felony trespassing. At one point, he even allegedly attempted to escape prison custody while serving time behind bars.

Authorities confirmed that Mott had recently been arrested again only weeks before the deadly runway incident after allegedly trespassing and damaging property in Colorado Springs. Despite his extensive criminal record, he was released prior to Friday night’s tragedy.

The Denver Medical Examiner officially ruled the death a suicide, citing “multiple blunt and sharp force injuries.” Officials say no suicide note has yet been discovered, but investigators are now combing through Mott’s electronic devices, recent contacts, and movements leading up to the incident.

The shocking breach has also ignited major concerns over airport security at one of the busiest airports in the United States.

Airport CEO Phil Washington admitted that perimeter alarms had actually been triggered before the collision — but operators initially believed the movement near the fence was caused by a herd of deer captured on surveillance cameras. By the time authorities realized a human intruder had entered the restricted area, it was already too late.

Officials now face mounting questions about how a man was able to climb over a secured airport fence, cross restricted grounds, and walk directly onto an active runway without being intercepted.

While the National Transportation Safety Board has declined to formally investigate the death itself, the agency is reviewing the emergency evacuation procedures aboard the aircraft as scrutiny intensifies around the incident.

And as America continues to process the horrifying images and audio from that night, one chilling mystery still remains unanswered:

Why did Michael Mott appear so calm while walking toward a fully accelerating passenger jet moments before disappearing into the engine?