The Post and Courier
McKrae Game, who founded South Carolina's Hope for Wholeness in 1999, has apologized for being "a religious zealot that hurt people."
The rhetoric used by charter school advocates is often lacking in evidence or intentionally deceptive.
Some witnesses said the person dressed as a dinosaur growled at the horses.
He is due to enter his plea on April 10.
WHAT'S HAPPENING
Prosecutors are seeking the death penalty.