To answer @tridacna this trip was a Choptima trip, everyone involved is a Choptima diver that is closely associated with Dive Rite. It is unlikely he wasn't on his unit.
Personally I am going to wait on the report, even if it is a medical issue I think the NSS-CDS is likely to release a report on this. It might be a few months, but I am sure we will get one.
Are you sure about that? Jared previously said “knowing that we are not built for long dives in cold water, we chose to dive open circuit doubles.”
Will be interesting to read a factual report.