you've got two library folders, one on the system level of the harddrive and the other one is located within your user folder. you have to open the second one. the first one does not have the applicationsupport folder in it. you could also use findanyfile (small app) to locate the demo, it displays hidden fodlers aswell. screenrecordings cannot be used as proper evidence. there are certain commands that need to be applied to get proof of wallhacking.