Defense Attorney Joshua Weiss

But it's not just blood that would have been trapped throughout the apartment. It would be in the cleaning materials, too. And he can opine on that as well.

But it's not just blood that would have been trapped throughout the apartment. It would be in the cleaning materials, too. And he can opine on that as well.

Here's what I have to watch you do. His opinion is that nothing can show where she died. However, a big party incident took place in the bedroom. As far as the investigation, more blue stars should have been applied.

Here's what I have to watch you do. His opinion is that nothing can show where she died. However, a big party incident took place in the bedroom. As far as the investigation, more blue stars should have been applied.

How would you describe the Blue Star reaction that you yourself observed inside Mr. Chen's apartment?

How would you describe the Blue Star reaction that you yourself observed inside Mr. Chen's apartment?

Is there a strong blue star reaction...

Is there a strong blue star reaction...

Did you do any other scientific test as a criminal investigator firm that was blood?

Did you do any other scientific test as a criminal investigator firm that was blood?

And in that standard operating procedure, did you do a control test first?

And in that standard operating procedure, did you do a control test first?

But General Moyle had one more piece of evidence. Receipts.

But General Moyle had one more piece of evidence. Receipts.

Have you received specialized training on the application of blue spot?

Have you received specialized training on the application of blue spot?

I'd like to focus on the clean products. What type of clean products?

I'd like to focus on the clean products. What type of clean products?

How does it look different than that of blood?

How does it look different than that of blood?