you're seeing video of, this is about two weeks before petito was last heard from. >> police pulled over the couple after a witness called 911 and said they saw a man slapping and hitting a woman. here to discuss the case former fbi agent brianna fox, associate professor at the university of south florida. good to have you on this morning. i wonder, there seems to be a pattern here prior to her disappearance, lots of public arguing between the two of them. police pulled them over once. when you look at the police response to this prior to, do you see them having missed red flags here? >> well, research shows that we are at highest risk of violence and even homicide by somebody who is our inner circle as compared to a stranger. so that means that police would obviously want to be taking all of these incidents very seriously, but at the same time, they did intend to separate gabby and brian, make sure they were able to cool down, so i do think that this is worth an