>He had a medical bag, the gloves would be for rendering medical aid…
Dirty gloves would infect wounds.
They would also hide fingerprints.
>Perhaps. But medics wear gloves to protect themselves from bloodborn pathogens as much as to protect their patients from infection.
Yep. They put them on before they reach into the gore. Medics don't wear gloves in the ambulance on the way to the scene.