CSI of blood

What is the "CSI effect"?

• The phenomenon where crime scene investigators use advanced technology to solve crimes quickly.

• The influence of crime shows on public perception of forensic science and the justice system.

• The process of analyzing DNA evidence to identify suspects.

• The method used to determine a person's biological age from blood samples.

What are the three main categories of bloodstains in forensic analysis?

• Arterial, venous, and capillary

• Passive/gravity, spatter, and altered

• Fresh, dried, and diluted

• High-velocity, medium-velocity, and low-velocity

What characteristic is often found in expirated bloodstains, and what does it indicate?

• Bubbles from air pockets, indicating dilution from saliva.

• A darker color, indicating a high concentration of red blood cells.

• A uniform pattern, indicating a passive blood flow.

• A very small size, indicating high-velocity impact.

Which two techniques are mentioned as crucial for advanced DNA analysis in forensic science?

• Blood typing and fingerprinting

• Microscopy and chromatography

• Polymerase Chain Reaction (PCR) and gel electrophoresis

• Ballistics and toxicology