Daniel Mullen, otherwise known as 'Danny' became a college drop-out after deciding that higher education just wasn't for him, he would much rather view the world. Daniel and his parents allotted him 2 years to see as much of the Earth as he possibly could before returning to his hometown of Sacramento, California and working at his father's advertising company.
He arrived at Chernarus right before the airways were blocked. With no sensical way back home he decided he should try and make acquaintances and most definitely, not make any enemies. With insufficient shelter, he just roams the streets scavenging for supplies such as food and water while making friends along the way. Almost certain he had nothing to return to if he did manage to return to Sacramento, he decided this was what he should consider 'home'. Since the outbreak, Danny has been managing himself finely. He finds the items he needs for survival and only steals if completely necessary.