What gunshot residue tests tell us?

A gunshot residue test helps us find out who was close to the gun when it went off, like a detective using clues from a crime scene.

Imagine you're playing with your friend near a firework. When the firework goes boom!, some tiny bits of powder and burned parts fly around you both. Now imagine you’re a detective who wants to know who was standing right next to the firework when it exploded.

That's kind of what happens with a gunshot residue test. When someone fires a gun, small particles from the gunpowder and bullet go flying near the person who shot it, like the bits that flew around you during the firework boom!

If we find these tiny clues on someone’s hands or clothes, it means they were probably close to the gun when it was fired. It's like having a tiny fingerprint from the explosion.

• When the gun goes off, some bits of powder and burned parts fly out.
• These tiny pieces land on the person who shot the gun, like confetti at a party.
• Scientists use special tools to find these clues, helping them know who was near the gun.

So, just like you might have bits of firework powder on your hands after the boom, someone who fired a gun might have gunshot residue on theirs too!