> IANAL,T and presumably the attorney is up with the play, but the
> questions I would ask would include:
> 
>  What happened to her card?

Presumably, it went into her wallet.  The "found" card was lying on
the counter by the till, and got scooped up by habit.

> Did someone else get it?
> Did the supermarket still have it?
> Can they confirm the above?

After the bank got the "stolen"/"found" card back, no one but the
teller knows what happened.  It's possible that the teller used it
a bunch, then is allowing my mother-in-law to take the rap for
those charges.  I find that unlikely, but one never knows.

Mike H.
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