psychology

What are droplets in bloodstain pattern analysis?

are individual drops of blood that are projected or fall onto a surface, with different types including passive droplets, impact spatter droplets, and cast-off droplets.

What are passive droplets?

Passive droplets are blood drops that fall due to gravity alone, such as blood dripping from a wound.

What are impact spatter droplets?

they are created when a force strikes a source of blood, resulting in the production of many small droplets.

What are cast-off droplets?

Cast-off droplets are blood that is flung from a blood-covered object in motion.

What can the size and shape of blood droplets indicate?

The size and shape of droplets can help estimate the direction of the blood's travel, the angle of impact, and the amount of force involved.

What are pools in bloodstain analysis?

Pools are collections of blood that gather in one place, often occurring when a person remains stationary as blood continues to flow.

blood stain pattern

its a series of blood drops or stains that show movement from one location to another, indicating that a bleeding person or object moved.

What are the main types of fingerprints?

whorls (circular or spiral pattern), loops (ridges that enter and exit the same side), and arches (ridges that enter one side and exit the other forming a wave-like shape).

patent print?

is a visible fingerprint left by substances such as blood, ink, or paint.

What is a latent print?

is an invisible fingerprint that requires powder or chemicals to be revealed.

What is a plastic print?

A plastic print is a fingerprint left in soft materials such as clay, wax, or soap.