Advancing Justice Through DNA Technology Act of 2003

Advancing Justice Through DNA Technology Act of 2003 - Rape Kits and DNA Evidence Backlog Elimination Act of 2003 - Amends: (1) the DNA Analysis Backlog Elimination Act of 2000 to reauthorize the Act; (2) the DNA Identification Act of 1994 (Identification Act) to expand the scope of DNA samples to be included in the Combined DNA Index System (CODIS); and (3) the Violence Against Women Act to authorize grants to increase the availability of legal assistance to victims of dating violence.

DNA Sexual Assault Justice Act of 2003 - Amends the Identification Act to require that CODIS include only information on DNA identification records and analyses that are prepared by laboratories that: (1) have been accredited by a nationally recognized nonprofit professional association of forensic scientists within two years; and (2) undergo external audits at least every two years that demonstrate compliance with specified standards.

Authorizes the Attorney General to make grants for: (1) DNA training and education; (2) sexual assault forensic examination programs; (3) research and development; (4) using DNA technology to identify missing persons; and (5) tribal domestic violence and sexual assault coalitions.

Expands and reauthorizes the Paul Coverdell Forensic Sciences Improvement Grant Program.

Innocence Protection Act of 2003 - Sets forth conditions under which a Federal prisoner may obtain post-conviction DNA testing of specific evidence.

Directs the Attorney General to award grants to States to improve the quality of legal representation in State capital cases.