Suicide Or Murder? Study Carefully!

[SILENT WHISPER]

normally in this type of suicide, the victim will stand on a tall stool and then kick it down for him to be strangled.
studying carefully the above pics you will notice that the stool is still upright, not only that, its shorter or lower than the dead man's feet.

note, according to the people around him, he was financially stable, in good health and a happily married man.

is this really a suicide or murder..??