1. DOUBLE HELIX

    California DNA Collection Challenged

    File - This Feb. 17, 2012 file photo shows Senior Criminalist Heide Elliott extracting DNA at the State of California Department of Justice Jan Bashinski DNA Laboratory in Richmond, Calif. A federal appeals court is taking a second look at California's DNA collection law. Voters overwhelmingly approved the Proposition 69 law in 2004. The law allows police to collect DNA samples from anyone arrested for a felony, even if they haven't been convicted. The state has long collected DNA from convicted felons. (AP Photo/Jeff Chiu, file)

    Jeff Chiu / AP Photo

    In what may be an important case for the use of DNA evidence, the American Civil Liberties Union will mount a challenge in San Francisco on Wednesday to California’s practice of collecting DNA samples from arrestees. Currently every person arrested on felony charges can be forced by police to supply a DNA sample, even before they are convicted, a practice that has brought the state’s DNA database to about 2 million samples. That number is only growing as law-enforcement officers in California are collecting in excess of 11,000 samples from suspects every month, a practice that the ACLU will argue infringes on citizens’ civil rights.

    Read it at The Associated Press