The charges were ordered dismissed on procedural grounds. Naasón Joaquín García, the self-proclaimed apostle of La Luz del Mundo, has denied wrongdoing.
Shkreli was sentenced to seven years in prison for crimes that included defrauding investors in a drug company, Retrophin.
A fourth person was wounded in the stabbing rampage near Knoxville. A motive is unknown, authorities said.
Workers at essential businesses that serve the public will also have to wear coverings, Mayor Eric Garcetti said.
The latest charges stem from the same sexual assault that Dayton Jones pleaded guilty to in state court.