Nonsense. They were research films. And in them, the victims of the bomb would get very sooty faces and then a see-through version of themselves started rising up towards Heaven while playing a harp.
16 seconds sound clip from the The Dictator (2012) movie soundboard.
You can hear this line at 00:06:36 in the Blu-ray version of the movie.
Quote context
[...]
- It is too round on the top. It needs to be pointy. Round is not scary. Pointy is scary.
- No. It sticks in the ground, and then kaboom.
- Supreme Leader, I think perhaps some of your information about bombs is coming from cartoons.
- There was somebody who suffered a deformity like that.
- Okay. I am now 100 percent sure that you are watching cartoons.
- Have you spoken to the experts about this? Have you consulted Professor Bobeye?
- Who?
[...]