- Origin(s) of the bloodstains.
- Distances between impact areas of blood spatter and origin at time ofbloodshed.
- Type and direction of impact that produced bloodstains or spatter.
- Object(s) that produced particular bloodstain patterns.
- Number of blows, shots, etc. that occurred.
- Position of victim, assailant, or objects at the scene during bloodshed.
- Movement and direction of victim, assailant or objects at scene afterbloodshed.
- Support or contradiction of statements given by suspect or witnesses.
- Additional criteria for estimation of postmortem interval.
- Correlation with other laboratory and pathology findings relevant to the investigation.