Matthew Muller, already serving a 40-year sentence in the Denise Huskins case, had been terrorizing the community for two decades before the widely known "American Nightmare" case, prosecutors said.
The FBI Houston confirms bottles of sulfuric acid were found in a Harris County storage facility rented by New Orleans attack suspect Shamsud-Din Jabbar.
Marceno, who has served as sheriff to the county for more than five years, was accused in early September of money laundering by his election opponent.