<p>Convicted Sept. 11 conspirator Zacarias Moussaoui says he lied on the witness stand about being involved in the plot and wants to withdraw his guilty plea because he now believes he can get a fair trial.</p>
<p>In a motion filed Friday but released today, Moussaoui said he testified March 27 he was supposed to hijack a fifth plane on Sept. 11, 2001, and fly it into the White House "even though I knew that was a complete fabrication."</p>
