Daniel grew up in Boston with his brother Mike who had done very well in school and went on to college. Daniel, however, despite doing well in school had dropped out because of an underground crime business which dealt with drugs and assassinations. Daniel had become very good at dealing with people who opposed his little mafia and had killed 3 people well living in the US well remaining uncaught. Daniel had distanced himself from almost all of his family except for his brother Mike who he cared deeply about and had always stayed in close contact with him.
Daniel had spent most of his time during the infection in America but after getting word that his Brother had gone to Chernarus on some sort of political mission. Daniel had got contact with a man from Turkey and was able to get a one-way plane to turkey from there he had taken a boat to get to Chernarus. However, upon getting there, he had heard large rumors of a man who may have killed his brother Mike and Daniel was seeking revenge.