S.1829 - Federal Government - A bill to reauthorize programs under the Missing Children's Assistance Act.

Protect our Children First Act of 2007 - Amends the Missing Children's Assistance Act to expand the activities for which annual grant funds to the National Center for Missing and Exploited Children (NCMEC) may be used to include: (1) annual reporting on the actual number of missing and abducted children nationwide and the number of children recovered; (2) technical and forensic assistance to law enforcement agencies to locate and recover missing and exploited children; (3) deployment of the National Emergency Child Locator Center to reunite missing children with parents during periods of national disasters; (4) expansion of the cyber tipline for reporting sex tourism involving children, extrafamilial child sexual molestation, and unsolicited obscene material sent to a child; (5) efforts to reduce the distribution on the Internet of images and videos of sexually exploited children; (6) operation of the Child Victim Identification Program for identifying victims of child pornography and other sexual crimes; and (7) educational programs for preventing child abduction and exploitation and for safe use of the Internet.

Authorizes appropriations for FY2009-FY2013 for missing children's programs and for grants to NCMEC.

Amends the Crime Control Act of 1990 to allow Inspector General staff members to assist the NCMEC in conducting reviews of inactive missing children case files unless such assistance will interfere with the duties of the Inspector General.