Where were the participants when the event began? Has the victim been moved after the blood-letting occurred? Was there more that one assailant? If so, did the victim move himself, or did the assailant(s) move the victim? If there was more than one victim, in what order were the attacks? Was the scene picked-up or changed after the assault?

Is this information consistent with the explanation of the accused? There is a lot of information that can be derived if the crime scene investigator is a properly trained and experienced Bloodstain Pattern Analyst. Wiping, Swiping, Drips, Shadowing, Transfers, Cast-off, High velocity patterns, Low velocity patterns, clotting, and others. These patterns can give the investigator much information, such as position, movement, sequence of events or attacks, attempts at cover-up, and even if prolongation of the attack took place.