Vi-Jon manufactured store-brand baby powders, body powders and foot powders using talc for years, with store-brand powders sold at stores such as Walmart, Target and Walgreens.
The department said Tuesday that drones would be stationed at docking stations throughout the city "based on crime trends, 911 call volume, response patterns and operational needs."
The principal, Cedric Gerald, is facing criminal charges in a sex abuse case involving several students in another district. He remains in the St. Louis County jail.
A 70-year-old retiree was arrested in connection with the bludgeoning death of Randy Gail Sperino. Her nude body was found along the side of a road in November 1993.
"Operation VIPER" is an FBI national initiative that focuses on reducing violent crime and is the second such effort publicized by federal and local officials in the past six months.