A freelance photographer took a picture of me and never gave it to me. He promised to give it to me on April 28th, but he didn't. Is this an infringement? Should I call the police?

We can't jump to conclusions because things are still on the way to the contract. This is just a verbal contract. We can only see what happens next. If the master says that the shoot is not good or there are irreparable mistakes in the post-production, then you need your advice if you want to remake it (look at people, don't cross the line, and beware of being cheated). If that's it, you can only recognize the photo before it comes out, but if one day your photo appears without your knowledge, you can sue the master for infringing the right to portrait (but now you must ask the master to write a certificate that he didn't take the photo). Pay attention to learn from the past and don't self-destruct.