Guidelines for Handling Ballistic Evidence in Firearm Cases

Do's and Don'ts for Handling Ballistic Evidence in Firearm Cases

Introduction:

In firearm-related cases, the meticulous handling and preservation of ballistic evidence play a crucial role in unravelling the truth. Proper collection and forwarding of evidence can make or break an investigation. Following a set of do's and don'ts is essential to ensure the integrity and accuracy of the evidence presented. Let's explore the key guidelines that need to be followed while dealing with ballistic evidence in firearm cases.

Properly managing and preserving ballistic evidence is crucial for successful investigations. Here's a list of do's and don'ts to follow:

Do's:

1. Preservation of Crime Scene: Ensure the firearm at the crime scene is not touched until documented with photos, sketches, and markers.

2. Floor Marks: Examine any marks on the floor caused by the firearm's placement.

3. Deceased's Grip: Note the firearm's position in the deceased's hand and the grip.

4. Investigate Victim-Fired Shots: Investigate if the deceased could have fired the shot themselves.

5. Observations on Firearms:

a. Check for fingerprints.

b. Note the hammer and safety catch positions.

c. Count rounds in the magazine.

d. Determine if a round is in the barrel.

6. Potential Clues: Examine nearby strings or sticks that might suggest trigger manipulation.

7. Bullet and Cartridge Positions: Observe the positions of bullets, cartridges, and cases to deduce shooting direction and bullet path.

8. Cartridge Case Significance: The presence of a cartridge case at the scene can indicate the type of firearm used.

9. Wad Positions: Positions of wads from shotgun cartridges provide insights into the gun's bore, shot direction, and ammunition.

10. Revolver Cylinder: Note live cartridges and fired cases in revolver cylinders.

Don'ts:

1. Avoid Probes: Don't use probes to remove bullets or pellets from holes.

2. Unloaded Firearms: Do not send loaded firearms. If necessary, label loaded parcels as such and secure the safety catch.

3. Barrel Tampering: Avoid meddling with the inside of the barrel.

4. Avoid Washing: Do not wash barrels, bullets, or cartridge cases.

5. Prevent Moisture: Don't pack wet items.

6. Preserve Clothing: Preserve clothing without cutting, creasing, or damaging affected areas.

7. Sealing Evidence: Avoid using currency coins as seals.

By adhering to these do's and don'ts, investigators can maintain the integrity of ballistic evidence, enhancing the accuracy of forensic analyses and supporting the investigation process.

Conclusion:

The meticulous handling and preservation of ballistic evidence are pivotal in firearm cases, determining the accuracy and reliability of investigations. Adhering to the outlined do's and don'ts ensures the untainted collection, analysis, and presentation of evidence. By meticulously following these guidelines, law enforcement agencies and forensic experts can uphold the highest standards of forensic investigation, ultimately aiding in the pursuit of justice.