Defines "veteran at risk". Creates the green alert program to provide for public notification regarding missing veterans at risk. Changes the name of the Indiana clearinghouse for information on missing children and missing endangered adults to the Indiana clearinghouse for information on missing children, missing veterans at risk, and missing endangered adults (clearinghouse). Makes conforming changes to the duties of the clearinghouse. Creates certain duties and reporting requirements for law enforcement agencies concerning missing veterans at risk. Provides immunity for a broadcaster who broadcasts, or an electronic billboard operator who displays, a green alert notification and a person who establishes or maintains a green alert website under an agreement with the state police department. Makes technical corrections.