Some people may argue that he needs to be left alone. If I were him I'd lay low get through the trials and then disappear. Either into prison or just out of society depending on the verdict.
I remember traveling to Montreal and being worried no one would speak English. All my friends said, "Don't worry French and English are the official languages of Canada so you'll be fine." Riding the bus from the Airport no one spoke English. Getting off in downtown Montreal no one spoke English and most spoke Chinese. I ended up having to use Spanish to get directions to a couple of places. Sure on Paper parts of Canada may claim to be like America but it is a strange and different land.
The answer for a snake being a service animal is that it is to help with anxiety. When too many people get around me I get anxious and the snake keeps people away.
I knew a business man who always wore a shirt an tie to work but the sun still left a peculiar sun tan/burn through his shirt making him look like was still wearing the tie when he was in is swim trunks.
That's why you need to be sneaky about what you are cooking for dinner. Also though being a fugitive means you don't go to the market where people can spot you. Amateur move.