How to Evaluate a Pool of Blood

Pools of blood can be very, very important to help establish sequence of events and offenders actions at the scene. She has defensive wounds. You know, she is warding off being attacked. So this is, she's at least early on in the attack, recognizing she's under threat and is trying to protect herself. But at a certain point, she is completely either overpowered or, you know, the injuries cause her to be able to not defend herself any further. The killer had to have done it, right? Or would she have ever naturally done that herself? No, it's weird. This is a form of posing.