Who knows whats on her mind and why she behaved like this?! I hope she is disfellowshipped and this might excuse her "wave off". But, if she did it to shoo you away from her holy presence now that you're inactive and bad association, oh the arrogance
As far as I know, jury duty for JW's is a no no. Perhaps she felt uneasy about her being there and you "catching" her.
CC