The pic jeffgoldesq has on his twitter certainly illustrates her demeanor when crossed, or as she likes to say, when her life is being threatened.
I am posting it but if not allowed or it won't go to at least a thumbprint, feel free to remove it... I don't like to look at her anymore than necessary either.
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Here's a pic from Daily Mail, article here http://www.dailymail.co.uk/news/article-3036542/Jodi-Arias-learn-fate-sentencing-hearing.html