Maryland's DNA law, which allows police to take samples of suspects' genetic material for possible matches to other crimes, will be reviewed by the U.S. Supreme Court next year, the justices announced Friday.

The law, a signature crime-fighting initiative of Gov. Martin O'Malley, was ruled unconstitutional by Maryland's highest court in April. But in July, U.S. Chief Justice John G. Roberts Jr. issued an order allowing police to continue collecting DNA samples, signaling that the high court would ultimately weigh in on the issue that has pitted law enforcement interests against privacy concerns.

"We applaud the decision by the Supreme Court to review Maryland's case regarding DNA collection," O'Malley said in a prepared statement. "Allowing law enforcement to collect DNA samples from offenders charged with serious crimes is absolutely critical to our efforts to continue driving down crime in Maryland and bolsters our efforts to resolve open investigations and bring them to a resolution providing victims long-deserved closure."

The Maryland Public Defender's office, which represented King, has argued that taking suspects' DNA before they are even convicted of crimes and using the samples to link them to previous or future crimes violates their right to privacy and constitutes an unlawful search and seizure.

"People who are presumed to be innocent should not be subject to the warrantless seizure of intensely personal genetic information," Stephen B. Mercer, chief of the Public Defender's Forensics Division, said Friday.

Advocates of the DNA law argue that the measure has helped police solve even cold-case crimes and put away violent criminals.

"We are pleased by [Friday's] decision and look forward to the opportunity to defend this important crime-fighting tool before the nation's highest court," Maryland Attorney General Douglas F. Gansler said in a prepared statement. "With Chief Justice Roberts' stay still in place, Maryland's DNA database remains in operation, helping law enforcement identify and bring to justice violent perpetrators in some of our state's most gruesome unsolved cases."

The law, which went into effect in 2009, expanded the collection of DNA samples from those convicted of crimes to those who have been arrested for violent crime or burglary, even if they were not found guilty. More than half of the states currently collect DNA samples from suspects of violent crime.

Taking DNA is akin to fingerprinting suspects in an attempt to link them to crimes, its supporters have argued.

"There is no reasonable, principled distinction to be made between taking and using fingerprints for identification purposes and taking and using DNA identifiers for identification purposes," Gansler wrote in his petition to the Supreme Court to allow its continued collection.

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Supreme Court will review Md. DNA law