(KGTV) - A destructive fire which caused $3.5 million in damage to the Off Road Warehouse in Kearny Mesa was arson, federal investigators announced Friday.
Flames destroyed the business and 12,700-square-foot building at 7915 Balboa Ave. on March 28.
San Diego Fire-Rescue investigators requested help from the Bureau of Alcohol, Tobacco, Firearms and Explosives to determine the origin of the fire.
RELATED: Animals rescued as fire burns Kearny Mesa off road business
The ATF’s National Response Team, consisting of investigators, fire protection engineers, chemists, forensic mappers, accelerant detection canine teams, determined the fire was deliberately set.
The fire is now an ongoing criminal investigation, the ATF said.
ATF San Diego Special Agents will work with San Diego’s Metro Arson Strike Team to find the person who set the fire.
RELATED: ATF agents join investigation into Kearny Mesa auto warehouse fire