directly back to either protecting travis' reputation -- >> reporter: what about arias's experience with guns? >> never fired a gun but i was relatively familiar with them. >> reporter: and even if she wasn't sure she shot alexander as she says, why not call 911 for help? in case. >> when i sort of came out of the fog i realized oh, crap, something bad had happened. and i was scared to call any authority at that point. >> reporter: right after she killed alexander arias drove to utah to visit another guy. jury wanted to know how she could kiss another man just hours after shooting and stabbing her exboyfriend to death. she explained, she had no choice. she had to show up to avoid suspicion. and like every other day in court, the testimony eventually turned to the couple's sex life. the jury has listened to recordings of their phone sex, read their dirty text messages, even looked at naked pictures they took the day of the