Passive bloodstains

Passive bloodstains - these stains are created by the force of gravity.

Pool Pattern – A bloodstain pattern which is typically formed when a source of blood is stationary for a length of time.

Passive Drop – Bloodstain drop(s) which are created, or formed, by the force of gravity acting alone.

Drip Pattern – This is a bloodstain pattern which is created by blood dripping into blood.

Flow Pattern – A change in the shape and direction of a bloodstain, due to the influence of gravity or movement of the object.