Hmmm - it is easy to understand what might well have happened.
VFR approack into a short strip, eyes out of the window concentrating on ground speed to hit the threshold, tail wind = stall.
Easy trap to fall into, what information were they given, if any, about wind speed and direction ?.
Probably not a good idea to theorise too much until more information is available, a sad outcome for all concerned.
Does the 410 carry voice and data recorders ?