When the service technician came to inspect a leaking propane tank at the Sterling, Virginia, house on Feb. 16, he told the homeowner to let the hazardous material “seep out of the ground and be on their merry way,” court documents state.
Four hours later, the home exploded, killing volunteer firefighter Trevor Brown and trapping two others inside the home’s basement, according to Loudoun County fire officials. Nine other firefighters and two civilians outside the house were injured in the blast, authorities said, which caused an estimated $2.5 million in property damage…