Blood Warm-Up #2

Check out this bloodstain!

Spatter or nonspatter?

What type of pattern is this?

A cold-blooded killer is fleeing the scene of a crime and attempting to cover their tracks. The quickly attempt to clean up a puddle of blood with some tissues creating a non-spatter pattern on the floor.

After securing the scene, CSIs perform a presumptive test for blood using

; this test is used for visible stains that look resemble blood.

Lastly, the CSIs locate the blood-soaked tissues discarded by the killer near the scene. The tissues should be collected in a and later allowed to air dry in an evidence room.