Can one get gun powder residue from picking up a recently fired gun?

There was a death caused by gunshot. The girlfriend said it was a suicide, but she had residue on her hands. She said she picked up the gun after her boyfriend shot himself. How can it be determined whether it was suicide or murder?Can one get gun powder residue from picking up a recently fired gun?
Generally, if the chemical that is applied to the hands that detects gunpowder residue shows a positive reading on the palms, then it usually signifies that the weapon was picked up after it was discharged. If the positive reading is seen on the backs of the hands, it normally means the weapon was being gripped at the time it was fired.





The deceased is also tested for powder residue on their hands.





There are several other nuances that detectives look at to determine if someone is a suspect in a death investigation.Can one get gun powder residue from picking up a recently fired gun?
yes, you can absolutely get gunpowder residue on your hand from picking up a gun.





If the gun is fired, there will be more residue, and you will find it on the back of the hands and even some on the wrist or cuff of a longsleeve shirt
Is this a real case? A fantasy of yours? Are you writing a mystery novel? Think about it...a guy blows his brains out and the girlfriend picks up the gun? I call B.S.! Why would someone want to pick up a gun after someone else just shot themselves with it?
It is not natural to pick up a gun at a suicide.





But the blood splatter and how much residue was on her are more interesting.





Blood forms a fine mist and if she was close it will be there. Muzzle flash burns on the victim are another tell tale.
Can't be determined. Impossible. All they can do is guess by looking at the trajectory of the bullet, distance it was fired from, and especially, if the dead guy has residue on his hand.
If she just picked up a fire gun there would not be much powder residue on her, just a pit on the hands. If she fired it there would be in more places.
Picking up a contaminated firearm would leave trace amount on the contact areas. Testing for GSR is over the top of the hands and exterior clothing.
Simple answer, yes