Believe it or not, that is the first case I've heard about it going bust when needed most. The biggest issue I noticed was they (police & the civilian who imitate them) were practicing w std 158 gr or 148 WC but carrying + P.
I suppose the premise was "actual shooting distances are so short" and if I only get one shot, I'll make it the biggest, baddest one shot in history.
Problem: how much is too much for older steel ? Even if your gun worked fine, your "legal" problems were just beginning. Non sanctioned bullets in police firearms ? The playing field is tilted and not in our favor.