graphic details of her shooting former boyfriend travis alexander and stabbing him 27 times. steamy details of their sexually charged relationship. and a confession from the soft-spoken arias that her crime was committed in self-defense. >> did you kill travis alexander on june 4th, 2008? >> yes, i did. >> why? >> the simple answer is that he attacked me. >> reporter: but this week the drama extended beyond the courtroom into social media. a twitter account in jodi arias' name quickly gained more than 20,000 followers. former arias jail mate donovan baring told nbc news she speaks to arias every night and tweets on her behalf. arias' lawyers did not return calls for comment. the account sometimes swipes at prosecutor juan martinez's fiery courtroom style with tweets like, hmm, anger management