Free Republic

<p>Washington, Sept. 18 (Bloomberg) -- The FBI is investigating whether terrorists plotted to seize more than the four jetliners commandeered last week for deadly attacks on the World Trade Center and the Pentagon, U.S. Attorney General John Ashcroft said.</p> <p>The U.S. is broadening the largest criminal investigation in FBI history and is concerned about further attacks, he said. Authorities have detained 75 people on immigration charges, up from 49 as of yesterday, and investigators believe associates of the 19 hijackers may still be in the U.S. The FBI has received more than 96,000 tips, including many that are redundant or contradictory, Ashcroft said.</p>

FBI agents interrogating captured al-Qaeda operatives now suspect there was a plan to hijack a fifth jet on 11 September to attack the White House. Debriefings with Khalid Shaikh Mohammed, the alleged mastermind of the terror plot, and its suspected chief financier, Mustafa al-Hawsawi, have led to the new theory. "Many, many people are saying many interesting things," a senior FBI official was reported as saying. The interviews are being conducted as part of the probe into alleged 20th hijacker, Zacarias Moussaoui. Court papers from defence lawyers and a United States district judge show that prosecutors in the case are...