>> reporter: phoenix civil rights activist jared moppin and colorful rights attorney benjamin taylor in flagstaff today taking up the cause of marissa morris, the 30-year-old flagstaff mom seen on this now viral cellphone video, being by 28-year-old flagstaff police officer jeff bonar. >> we know her civil rights have been extremely violated in this case, and she's a victim of police brutality. most people think of victims as being people of color, but it can happen to anyone, anywhere. >> reporter: the incident occur as the officer was attempting to arrest marissa outside her family's flagstaff home wednesday, believing she had an outstanding warrant in an dui case. turns out the warrant had been taken care of, which marissa repeatedly tried to tell the officer. >> i got charged in the process of being charged with -- what is it? aggravated assault against a police officer. and i didn't even touch him. he attacked me. >> did you try to kick him? >> i did no such thing. >> i have heard your concerns. and the doesn't taking this incident very seriously. >> reporter: when the cellphone

benjamin marconi, 50 years old, a 20-year veteran of the san antonio police. the police chief and as you can tell by the mood there as well as from the mayor, mayor ivy tayl taylor, very somber. it's a sunday. it is a sunday before a major holiday. and even the questioning, normally this would go on for not four or five minutes, it could go on for 30 or 40 minutes. but it was very clear at this moment they want to find out who this suspect is. the suspect is at large and they described that suspect and i'll give you system of the details in case you may have information wherever you are at. dark complexion, 20s or 30s, wither or without facial hair. there's also a picture of the car they believe the suspect had used. it is it right here. a black car that they have a picture of this out of san antonio, texas. and this incident happening earlier today. and the lead up to that as detective marconi was writing out a traffic ticket to a motorist, was shot to death, we understand two shots to the head at hi squad car. was outside of police headquarters. and then another driver pulled up from behind. that individual, the suspect, getting out and then shooting detective