S-I-U Asks for Help Piecing Together Zambrano's Recent Past in 2 - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

S-I-U Asks for Help Piecing Together Zambrano's Recent Past in 2nd Media Briefing

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KENNEWICK, WA. -- The Tri-City Special Investigation Unit shared some new details Thursday as they continue to investigate last week's officer involved shooting in Pasco.

Thursday we learned more about what investigators are facing with the case and which international governments are paying close attention. 

Thursday afternoon inside the Kennewick Police Department, Sergeant Ken Lattin and Franklin County Prosecutor Shawn Sant answered another round of questions and updated the public about the progress of the investigation. 

We learned that 90% of the witnesses, which is more than 40 total people, have been interviewed about what they saw. But the officers involved have not. 

One of the main points repeated during the briefing is that the S-I-U still needs help as the investigation continues. 

The Special Investigation Unit answered a second round of questions during another media briefing. Early on in the briefing, Kennewick Police Sergeant Ken Lattin explained what the investigators are looking for right now. 

"What we don't know at this point is where and what Mr. Zambrano-Montes was doing the hours, the days, the weeks leading up to this incident. Leading up to February 10th."

We also learned that this case has been placed as the top priority with the Washington State Crime Lab. That could substantially speed up the process of reviewing evidence in the special investigation.

"How quickly will this speed up this process knowing you are the top priority for evidence?" we asked. 

"Hard to put an exact date on that," Sergeant Lattin said. "But I think instead of months, weeks. So it may be four or five weeks. But not the months that we would normally wait."

For now the investigation continues, with national and international governments keeping a close eye on the progress. 

"The Mexican consulate has reached out to us," Prosecutor Shawn Sant said. "Specifically they've requested a meeting with me personally. I've met with the Mexican consul before, this case is no different. We've established a very good relationship in our community with them."

Another piece of information we learned Thursday is that the family of Antonio Zambrano has requested an independent autopsy be performed on the body. 

Prosecutor Sant says his office is complete with their autopsy and is ready to release the body to the family soon.. But this second autopsy could mean that Antonio Zambrano may not be buried for some time.