Knowing how to INDUCE panic does not mean you know how all panic is induced. That you think you know this is mere hubris.Thalassamania:But what it takes to reach the point of panic is almost completely dependent on training and skill. If you don't believe me just throw a nonswimmer into the deep end of the pool.
Panic is a part of our atavistic reflexes. It can rear it's ugly head and bite with little or no warning. That two instructors keep trying to deny it's existence at this level only serves to show you how subtle and dangerous it really is.
Catherine, a rescue diver was right there beside here and there was a medical doctor present on the dive boat who initiated immediate CPR to no avail.
Training is incredibly important. But training and technology can not prevent every death. It is hard to look into that empty pit of our mortality and realise that sometimes, the very best that can be done is simply not enough.