Arson is the crime of intentionally and maliciously setting fire to buildings or other property with the intent to cause damage. It often involves fires deliberately set to collect insurance compensation. In the U.S., the common law elements of arson are often varied in different jurisdictions. First degree arson is when persons are harmed or killed in the course of the fire, while second degree arson is when propety is destroyed.
Here on LawServer you’ll find relevant federal and state laws about arson.