The lines of text on the computer monitor reach the bottom of the screen start scrolling. In the close-up, the text is just starting to be written again.

Guy Baran drops to his knees and begins falling face-first, but lands with his face sideways.

A public swimming pool must must have a fence around it for safety.

There is no blood in the pool from Guy's wounds in thee final struggle.

There are no students or staff who see the final struggle at the school.

In case the corpse went through an autopsy,the water found in his lungs would be clear water and not the dirty water that was filling the pool at the school.So it would be immediately discovered that the man had died in another place (not because of accidentally drowning in that dirty pool)