State law enforcement spokesman Mark Keel said, "they have got our attention The FBI is launching an investigation after a series of drone sightings outside a nuclear - weapons plant in Southern California known as the Manhattan complex . Federal agencies have been alerted to keep watch over the 310 square foot space which contains hazardous materials , including nuclear waste .
The FBI is launching an investigation after a series of drone sightings outside a nuclear - weapons plant in Southern California known as the Manhattan complex . Federal agencies have been alerted to keep watch over the 310 square foot space which contains hazardous materials , including nuclear waste .