The only level 2 cave certification I am aware of is GUE's Cave 2, which I'm sure they were not. I believe you mean they were Intro/Basic certified based on what I have read on other forums. Actually, I read one was Intro and the other was not even cavern, but that could be misinformation. Regardless, Wayne's World is an advanced cave dive. It is owned by the CDS and the CDS requires a minimum of Abe Davis level (100 safe cave dives post full cave training) before you are given access to the system. That would indicate these 2 divers were trespassing. WW is a deep, dark system where even very experienced cave divers have had issues. I believe it can also be tidally effected. I've never been to Wayne's World, but I have been in systems like it. It is definitely not a place for inexperience.
bpd, I'm not familiar with "lvl 7 cave system". Can you provide me a link to this grading system? Also, do you know if the divers were in single tanks or doubles?
It was a trespass situation. If you are not on the updated list or have current card Scuba West does not give you the code, period. I have seen Alex Warren turned away for having outdated card and most of us know his credentials. Regardless of situation it is a very sad event.