Alex is a less-than legal person. Someone who does what he needs to do so he can get by. And make some extra cash on the side. Alex is not well known, because he likes to stay off of twitter, and talk in person. People know Alex exists, but if they do, it's most likely for a short period of time before they get admitted into the morgue.
Brittany is a law-abiding citizen, speeds some times but that is okay, Brittany doesn't even have a parking ticket to her name. Brittany is not well known, as she is relatively new to the city.