FBI and National Guard troops have been called in to investigate.

Facebook’s Menlo Park, Calif. facility was evacuated after the deadly poison sarin was detected. At least two employees may have been exposed, police say. | Source: Shutterstock

Samantha Chang
Samantha Chang is a New York City-based financial editor who writes about crypto and business at CCN. She is a law school grad and an alum of the University of Pennsylvania. Email her at [email protected] or follow her on Twitter at Samantha_Chang.