; (B) in-district investigative referrals; and (C) CyberTipline reports from the National Center for Missing and Exploited Children; (2) develop best practices to be used by each United States Attorney and ICAC task force to assess the likelihood that an individual could be a serious offender or that a child victim may be identified; (3) develop and implement a tracking and communication system for Federal, State, and local law enforcement agencies and prosecutor’s offices to report successful cases of victim identification and child rescue to the Department of Justice and the public; and (4) encourage the submission of all lawfully seized visual depictions to the Child Victim Identification Program of the National Center for Missing and Exploited Children. (d) Implementation Except as authorized under subsection (e), funds authorized under this section may only be used for the following 4 purposes: (1) Integrated Federal, State, and local efforts to investigate and prosecute contact sexual offenses, child sexual exploitation offenses, and offenses involving child sexual abuse material, including— (A) the partnership by each United States Attorney with each Internet Crimes Against Children Task Force within the district of such attorney; (B) training of Federal, State, and local law enforcement officers and prosecutors through— (i) programs facilitated by the ICAC Task Force Program; (ii) ICAC training programs supported by the Office of Juvenile Justice and Delinquency Prevention of the Department of Justice; (iii) programs facilitated by appropriate nongovernmental organizations with subject matter expertise, technical skill, or technological tools to assist in the identification of and response to serious offenders, contact sexual offenses, child sexual exploitation offenses, or offenses involving child sexual abuse material