reporter: arias, accused of planning the brutal murder of her ex-boyfriend travis alexander, says she killed him in self-defense. across the country, people have been watching every salacious moment of the trial like a television soap opera. a direct mail production manager in washington, d.c. i m addicted. i get home and immediately turn my tv on, turn my computer on. reporter: gina olsen watches any way she can, even when she s at work. even when i m on the phone. good thing i can multi-task. i m doing important stuff, talking on the phone, but i m also listening. wait, hold on a second, and i m listening. i know that s a good part. i m sorry, i had computer problems. reporter: ap reporter brian scoloff co-wrote killer girlfriend: the jody arias story. people come off work to be a part of this. they say watching it on tv, watching it online wasn t enough, they want to see the