Specifies additional mandatory uses of grants to NCMEC, including provision of: (1) annual reports to the Department of Justice's Office of Juvenile Justice and Delinquency Prevention on the numbers of children nationwide reported as missing, victims of non-family abductions, and victims of parental kidnappings, as well as those recovered; (2) analytical as well as onsite support and technical assistance to law enforcement agencies through searching public records databases in locating and recovering missing and exploited children and helping to locate and identify abductors; (3) forensic technical assistance and consultation to law enforcement and other agencies in the identification of unidentified deceased children; and (4) training and assistance to law enforcement agencies in identifying and locating non-compliant sex offenders.

Requires the use of grants also to facilitate the deployment of the National Emergency Child Locator Center to assist in reuniting missing children with their families during periods of national disasters.

Adds to the kinds of reports for which the cyber tipline shall be used.

Requires NCMEC to use grant funds to: (1) work with law enforcement, Internet service providers, electronic payment service providers, and others on methods to reduce the distribution on the Internet of images and videos of sexually exploited children; (2) operate a child victim identification program to assist the efforts of law enforcement agencies in identifying victims of child pornography and other sexual crimes; and (3) develop and disseminate programs and information to the general public, schools, and other public officials and organizations on the prevention of child abduction and sexual exploitation, and Internet safety.

Protecting Our Children Comes First Act of 2007 - Amends the Missing Children's Assistance Act to: (1) revise, and expand the required uses for, the annual grant made to the National Center for Missing and Exploited Children (NCMEC) by the Office of Juvenile Justice and Delinquency Prevention; and (2) reauthorize the missing children's assistance and the NCMEC grant programs through FY2013.

Specifies additional mandatory uses of grants to NCMEC, including provision of: (1) annual reports to the Department of Justice's Office of Juvenile Justice and Delinquency Prevention on the numbers of children nationwide reported as missing, victims of non-family abductions, and victims of parental kidnappings, as well as those recovered; (2) analytical as well as onsite support and technical assistance to law enforcement agencies through searching public records databases in locating and recovering missing and exploited children and helping to locate and identify abductors; (3) forensic technical assistance and consultation to law enforcement and other agencies in the identification of unidentified deceased children; and (4) training and assistance to law enforcement agencies in identifying and locating non-compliant sex offenders.

Requires the use of grants also to facilitate the deployment of the National Emergency Child Locator Center to assist in reuniting missing children with their families during periods of national disasters.

Adds to the kinds of reports for which the cyber tipline shall be used.

Requires NCMEC to use grant funds to: (1) work with law enforcement, Internet service providers, electronic payment service providers, and others on methods to reduce the distribution on the Internet of images and videos of sexually exploited children; (2) operate a child victim identification program to assist the efforts of law enforcement agencies in identifying victims of child pornography and other sexual crimes; and (3) develop and disseminate programs and information to the general public, schools, and other public officials and organizations on the prevention of child abduction and sexual exploitation, and Internet safety.

Protecting Our Children Comes First Act of 2007 - Amends the Missing Children's Assistance Act to: (1) revise, and expand the required uses for, the annual grant made to the National Center for Missing and Exploited Children (NCMEC) by the Office of Juvenile Justice and Delinquency Prevention; (2) reauthorize the missing children's assistance and the NCMEC grant programs through FY2013; and (3) repeal criteria for grants.

Specifies additional mandatory uses of grants to NCMEC, including provision of: (1) annual reports to the Department of Justice's Office of Juvenile Justice and Delinquency Prevention on the numbers of children nationwide reported as missing, victims of non-family abductions, and victims of parental kidnappings, as well as those recovered; (2) analytical as well as onsite support and technical assistance to law enforcement agencies through searching public records databases in locating and recovering missing and exploited children and helping to locate and identify abductors; (3) forensic technical assistance and consultation to law enforcement and other agencies in the identification of unidentified deceased children; and (4) training and assistance to law enforcement agencies in identifying and locating non-compliant sex offenders.

Requires the use of grants also to facilitate the deployment of the National Emergency Child Locator Center to assist in reuniting missing children with their families during periods of national disasters.

Adds to the kinds of reports for which the cyber tipline shall be used.

Requires NCMEC to use grant funds to: (1) work with law enforcement, Internet service providers, electronic payment service providers, and others on methods to reduce the distribution on the Internet of images and videos of sexually exploited children; (2) operate a child victim identification program to assist the efforts of law enforcement agencies in identifying victims of child pornography and other sexual crimes; and (3) develop and disseminate programs and information to the general public, schools, and other public officials and organizations on the prevention of child abduction and sexual exploitation, and Internet safety.