I thought urine didn't contain DNA?

Urine contains skin cells from the urethra and dead blood cells (that's where the color comes from). DNA can most certainly be extracted from skin or blood cells.

Watta ya lookn here for?

Urine definitely contains DNA!

There is another thread where someone is raging about urine containing DNA. I wouldn't know but I thought the point was that Mr. Smith wouldn't know either, making him easier to manipulate. So, just because Brooks said so makes no difference in reality.

The owls are not what they seem.

iirc - urine is typically considered bacteria free or even sterile ... or something like that. It could have "DNA", I suppose (enough to get a good sample/test from).

First thing that shows on top of google search:

Urine itself does not contain DNA, but it may contain epithelial cells, which do contain DNA. Most healthy individuals, however, do not excrete epithelial cells in their urine.

I am a gore watching freak!!!

If it don't have it, it isn't worth the watch.