A California State University, Channel Islands, instructor accused of throwing a tear gas canister at federal immigration agents executing a search warrant at a Camarillo marijuana farm has been indicted on federal charges, according to the U.S. Attorney’s Office in Los Angeles.

<p>A California State University, Channel Islands, instructor accused of throwing a tear gas canister at federal immigration agents executing a search warrant at a Camarillo marijuana farm has been indicted on federal charges, according to the U.S. Attorney&rsquo;s Office in Los Angeles.</p>