A RIDDLE

a man walks in an elevator on the first floor, and the man went up the floor, he desire. the elevator's open, and then the man fall dead in between the elevator door.

how did he die ?

clue:

if it was murder, the man was only one in the elevator. how did the murder take place in the elevator ? if he was murder, how the murder get in the elevator ? how did he escape ?

clue:

by an accident, this was a perfect crime. or, i should say it could have been the perfect crime!

this situation would be a crime, instead, it was an accident, in a way.

this crime has no killer, and no murder. it could have been a murder. the dead body in the elevator didn't died of natural causes. the police would rule it, as another word. what is the word?

how did he died? how did the elevator killed him? how the elevator make it look like there could have been a murder?

last clue of the riddle:

the man lying inbetween the middle of the elevator and the elevator door. so his body is half in the elevator and the elevator door to the floor.

clue:

around the man's neck was a rope burn as if he strangled by a noose.

the question of the clue:

if the man was strangled, how was it done? there is no noose in the elevator. where is the noose? if he was strangled by the noose, why his body is not standing, having the noose supporting his body?