Agent Peter Graber testifies at Shawn Padden’s trial that he had the lab do DNA testing on the vomit from Gregg’s bathroom: 


Q:  During the investigation, was there vomit found in the Meissner residence?


A:  Yes, sir, there was.


Q:  Where was that?


A:  In the bathroom area.


Q:  And did you attempt to get this analyzed at the lab?


A:  Yes, sir, we did.


Q:  What was the result?


A:  It was negative.