I thought I read you can make homemade silencersThe gun jamming part through me off too but, he did resolve it (twice) quickly and kept firing. He knew how to handle it so he's had experience with it.
Are silencers even legal? Can you buy them? That is a huge flag for me and makes me think its someone hired.
He was so calm the entire time. No rush. Wasn't worried about the witness. Everything seemed like someone who's done this before.
The thing he had was untraceable