BIZARRE TWISTS BECOME THE NORM IN SIMPSON CASE AN INVESTIGATOR CALLS A NEWS CONFERENCE TO SAY HE KNOWS NOTHING.(MAIN)

Byline: JIM NEWTON Los Angeles Times

Dunton LOS ANGELES In a day of bizarre twists and turns in the O.J. Simpson murder case, a private investigator called a news conference Thursday to say he has no information about the killings, and a witness who says she does have information was accused of fabricating her account.

Anthony Pellicano, a well-known private investigator who rose to national attention for his work with entertainer Michael Jackson, was unexpectedly thrust into the spotlight of the Simpson case when a mysterious witness said he had heard that Pellicano had Simpson's house under surveillance at the time of the killings.

``I …