PHIL SPECTOR TAKEN INTO CUSTODY IN CONNECTION WITH HOMICIDE, according to this L.A. NBC affiliate article. Spector produced superstar musical acts such as Ike and Tina Turner, the Righteous Brothers the Ronnettes, as well as Let It Be, the last release by the Beatles, and solo albums by George Harrison and John Lennon.
UPDATE: I posted the above infomation on Blogcritics. Eric Olsen has added to it a detailed biography of Spector. Be sure to check it out.