The mugshots almost look computer generated to me. Each one had a sort of mean frown.
Method acting. Some brownshirt pulled an arrest log for the day: https://s3.documentcloud.org/documents/22058494/dailypresslog.pdf
We should be just as curious if these names are real, and if so, what their acquaintances have to say about them. The FIB would have no problem faking IDs, but faking family and friends is beyond their pay grade.