hbiwe;
They have some of the best procedures on the 737 i have ever seen, contribution to flight safety due to training and standards is very high at CAL
I couldn't agree with you more strongly. We've had some excellent contact with your safety people - a great safety and operational culture, a full embracing of FOQA and ASAP programs - yes, it will be interesting to know what happened.
From an aerial video sequence, it appears that the a/c left the runway well before taxiway WC: