Defines "hate crime" as a violent act causing death or bodily injury because of the actual or perceived race, color, religion, national origin, sexual orientation, gender, gender identity or disability of the victim.

Authorizes the Attorney General, at the request of a state, local, or Tribal law enforcement agency, to provide technical, forensic, prosecutorial, or other assistance in the criminal investigation or prosecution of any crime that: (1) constitutes a crime of violence; (2) constitutes a felony under state, local, or Tribal laws; and (3) is motivated by prejudice based on the actual or perceived race, color, religion, national origin, gender, sexual orientation, gender identity, or disability of the victim or is a violation of the state, local, or Tribal hate crime laws. Requires the Attorney General to give priority for assistance to crimes committed by offenders who have committed crimes in more than one state and to rural jurisdictions that have difficulty covering extraordinary investigation or prosecution expenses.

Authorizes the Attorney General to award grants to state, local, and Indian law enforcement agencies for extraordinary expenses associated with the investigation and prosecution of hate crimes. Requires the Department of Justice Office of Justice Programs to work closely with grant recipients to ensure that the concerns and needs of all affected parties under the grant program are addressed. Sets forth requirements and deadlines for grant applications. Limits grant amounts to $100,000 for any single jurisdiction in any one-year period. Requires the Attorney General to submit a report to Congress on the grant program by December 31, 2008. Authorizes appropriations for FY2008-FY2009.

Authorizes the Office of Justice Programs to award grants to state, local, or Tribal programs designed to combat hate crimes committed by juveniles. Authorizes appropriations.

Authorizes appropriations for FY2008-FY2010 for additional personnel to prevent and respond to hate crime violations.

Amends the federal criminal code to impose a fine and/or prison term of up to 10 years on any person who willfully causes bodily injury to any person, or who, through the use of fire, a firearm, or an explosive or incendiary device, attempts to cause bodily harm to any person, because of the actual or perceived race, color, religion, national origin, gender, sexual orientation, gender identity, or disability of such person.

Requires certification by the Attorney General or other Department of Justice official of certain findings relating to an alleged hate crime prior to initiating a prosecution for such crime.

Excludes evidence of expression or association of a defendant in a hate crime prosecution at trial, unless such evidence specifically relates to the offense being prosecuted.

Provides that nothing in this Act shall be construed to prohibit expressive conduct or activities protected by the First Amendment.