; and (D) the number and percentage of offenses, as described in paragraph (1) of this section, that are committed by adults in a position of trust or authority, including analysis of potential proactive strategies that could be used by social service agencies and other child abuse investigators to detect both child exploitation and contact sexual offenses by offenders described in paragraph (1). 5. Members of the working group (a) In general The working group shall be composed of such representatives of Federal departments and agencies, non-Federal law enforcement agencies, and nongovernmental organizations as the Attorney General considers appropriate. The Attorney General shall invite the following individuals to be members of the working group: (1) Three representatives from State or local grantees of the Internet Crimes Against Children task force program with extensive, direct experience conducting proactive, online undercover investigations, including use of specialized tools for peer-to-peer investigations. (2) A representative of the Department of Justice Child Exploitation and Obscenity Section. (3) The Department of Justice’s National Coordinator for Child Exploitation Prevention and Interdiction. (4) A representative of the Behavioral Analysis Unit of the United States Marshals Service or a designee. (5) A Special Agent of the United States Homeland Security Investigations with expertise in proactive online investigations. (6) A representative of the Cyber Crimes Center Victim Identification Lab of United States Homeland Security Investigations. (7) A Special Agent of the Federal Bureau of Investigation with expertise in proactive online investigations and the use of polygraphs in child sexual abuse material investigations. (8) A representative of the Innocent Images program of the Federal Bureau of Investigation with expertise in child victim identification. (9) A Special Agent of the United States Secret Service with expertise in investigations of child sexual abuse material. (10) A Special Agent of