so what we have to do today is i would like to introduce lieutenant aaron simonson.he was one of the first people on the scene and he served as the tactical commander during the incident. he'll tell you first what is going to be depicted on the video so when you watch it you'll have an idea of what's happening. what's unfolding and we'll show the video and then it will be immediately available on a you tube link that we will to you. lieutenant simonson. >> reporter: good afternoon. as of this past sunday at approximately 8:30 p.m. the sheriff office crime scene investigators in collaboration with the fbis evidence response team concluded the scene processing of the vta bus yard. we now have additional information that helps illustrate the sheriff's office response and time line of the event for this active shooter incident. what you're about to see is a body worn camera footage from the very first contact team who developed a plan of action and made entry into the vta yard in an attempt to locate the shooter in this incident. this incident, this team consisted of a s

lieutenant simonson. >> good afternoon. as of this past sunday at approximately 8:30 p.m., the sheriffs office crime scene investigators in collaboration with the fbi's evidence response team concluded the scene processing of the vta bus yard. we now have additional information that helps illustrate the sheriff's office response and time line of events for the active shooter. what you are about to see is a body worn camera footage from the first contact team who developed a plan of action and made entries in the vta yard in an attempt to locate the shooter in this incident. this team consisted of a sheriffs sergeant, a sheriffs deputy and three san jose police officers. the following time line was verified after evaluating dispatch recordings and footage and surveillance video from the vta yard. as sheriff smith indicated, the officer sent out a link to this footage and the time line that i will be going over. please contact us if you have any problems with this link. >>> on wednesday, may 26th at 6:34:51 in the morning, co

cassidy lieutenant aaron, some on simonson right now shows us how the santa clara county sheriff's office in conjunction with the san jose police moved in and made contact. >> the contact team is moving through that dispatch center. one shot is heard. another worker shot of stimulus. and you'll actually hear one of the officers say their and that shot is heard at 6 4356. the team immediately recognizes the situation is still dynamic and they drive towards the area of the >> now we've edited this video so as not to show the shooter's body which we've blurred out there in the background. it's at this point that officers reported the shooter was down that they see a gun in his hands and then upon approaching him determined that he had died. >> so there's still a lot to learn in terms of the motive of the gunman in the shooting in kron, four's. will tran is live in san jose with the latest on the investigation. will. was just thinking before you guys came out to me exactly one week ago this place was crawling. >> with law enforcement. but this morning you only see one police officer right beh

lieutenant aaron simonson is in charge of this investigation. he walks us through what the team encountered. >> the contact team is moving through that dispatch center. one shot is heard. the team immediately recognizes the situation is still dynamic and they drive towards the area of the gunshot 6 4415 seconds. deputy advises through through the doors that the contact seem sees a person down. the contact team continues past and cleary's and moves towards that person. at 6 4451 the contact team observes a gun in the inner person's hand. the contact team has to ensure that the person down is still not a continued threat to them. a short while a few seconds later that person is security. it turns out to be the suspect. >> the blurred images you see are of the suspect as we now know in the few minutes that cassidy sam cance cassidy went into the yard. he was able to shoot and kill 9 of his co-workers. late tonight, the coroner released the news that cassidy died by suicide shooting himself twice. and that's the latest on this video grant vicki, bac