joining me now to discuss the stories are reporter aliceensly, beth willen and san francisco chronicle reporter joaquin pal aminto. >>> the shooting was the first in san francisco, first fatal shooting since the mario woods incident late last year, amid a lot of calls for change in the way to handle force issues. >> the san francisco chronicle late last week published some surveillance video of this shooting where you can tell it takes approximately 22 seconds from the first command an officer gives to the final fatal shot. and this seems to fly in the face of long standing policies which are in the process of being redrafted. still for about at least three years now officers have been being told and reminded again that when someone is not a danger to anyone else, a police officer or another civilian to foster time to allow de-escalation to occur before re-creating a situation that turns deadly. >> 22 seconds does not seem to indicate that time and distance was really afforded in this situation? >> of course, you can look at the other side of that and law enforcement officials have sai