1. Short title This Act may be cited as the Improving Support for Missing and Exploited Children Act of 2017 . 2. Findings Section 402 of the Missing Children's Assistance Act ( 42 U.S.C. 5771 ) is amended— (1) by amending paragraph (1) to read as follows: to read as follows: (1) each year tens of thousands of children run away, or are abducted or removed, from the control of a parent having legal custody without such parent's consent, under circumstances which immediately place the child in grave danger; , (2) by striking paragraphs (4) and (5), (3) in paragraph (6) by inserting , including child sex trafficking and sextortion after exploitation , (4) in paragraph (8) by adding and at the end, (5) by striking paragraph (9), (6) by amending paragraph (10) to read as follows: (10) a key component of such programs is the National Center for Missing and Exploited Children that— (A) serves as a nonprofit, national resource center and clearinghouse to provide assistance to victims, families, child-serving professionals, and the general public; (B) works with the Department of Justice, the Federal Bureau of Investigation, the United States Marshals Service, the Department of the Treasury, the Department of State, the United States Immigration and Customs Enforcement, the United States Secret Service, the United States Postal Inspection Service, other agencies, and nongovernmental organizations in the effort to find missing children and to prevent child victimization