Story gallery: Investigations

Search: Two deputies are overcome by fumes as they search the fired San Onofre worker’s storage unit. He allegedly made threatening calls against other employees.

Osama bin Laden’s Al Qaeda network is in headlong retreat in Afghanistan and European police are rounding up other suspected terrorists, but investigators say a web of Islamic extremists remains on the continent and still poses a threat of attacks.

The Federal Aviation Administration and an airport security company are investigating how a Chinese chef apparently got meat cleaver-like cooking utensils onto a Miami-to-Chicago flight.

Osama bin Laden all but admits masterminding the Sept. 11 attacks on the United States in a new video circulating clandestinely among his supporters in the Middle East, according to a report released Wednesday by the British government.

It seemed odd that the world’s greatest military power was asking ordinary citizens for suggestions.

The day after Pakistan handed over Yemeni microbiologist Jamil Qasim Saeed Mohammed to U.S. agents, authorities stepped up their search for other scientists and students who may have maintained links to Osama bin Laden’s al-Qaida network, Pakistani intelligence sources said this week.

Bombings meant to collapse, seal off tunnels, bunkers

Financier denies sending funds to bin Laden

The Pentagon said Wednesday that it has received intelligence indicating the Taliban might poison the rations American planes have been dropping for civilians in Afghanistan and blame the United States for the contamination.

NATO-led peacekeepers in Bosnia-Herzegovina believe they have disrupted a Bosnia-based terrorist network and are investigating possible links to Osama bin Laden, a spokesman for the force said Wednesday.

From a distinct writing style for the number “1” to a letter “S” that resembles the number “5,” notes to Senate Majority Leader Tom Daschle, D-S.D., NBC anchor Tom Brokaw and the New York Post are providing investigators with potentially important clues to whoever sent deadly anthrax through the mail.

Peering at the 60-foot-high faces of four of America’s most famous presidents, the dozen robed and bearded Afghans drew little attention at the base of Mt.

Before Sept. 11, smallpox had been conquered, plague was a chapter in Medieval history, and anthrax was a heavy-metal band.

A flurry of diplomatic activity surrounding U.S. Secretary of State Colin L.

U.S. offices, sites overseas targeted in wake of Sept. 11

Postal inspectors hunting for the senders of anthrax-laden mail have a number of tools to figure out when and where a letter was mailed.

In a strange twist, the FBI said Sunday that the wife of the editor of the tabloid newspaper where anthrax has been discovered rented apartments in Delray Beach, Fla., to two men suspected of crashing a hijacked jetliner into the World Trade Center on Sept. 11.

The government on Friday expanded its efforts to disrupt Osama bin Laden’s financial network, freezing the assets of dozens of his supporters including a Saudi businessman who allegedly financed a real estate deal in Chicago’s western suburbs to raise money for terrorist activity in Israel.

As they trace the movements of suspected terrorists rounded up over the past month, European law enforcement authorities find their way back to a modern, red brick building around the corner from a bustling North London thoroughfare.

They do not run from the world’s most-feared diseases -- they run to them.

The British government said today that it would examine a video in which Osama bin Laden reportedly says that any country siding with Israel is a target for Islamic terrorists.

The White House said Wednesday it was easing its new effort to restrict information available to Congress on military operations, investigations and law enforcement.

U.S. officials believe that Mohammed Atef, a top lieutenant of Osama bin Laden, was involved in planning the Sept. 11 hijackings that killed about 5,700 people, sources confirmed Sunday.

The United States and its allies launched strikes today against military installations and Osama bin Laden’s training camps inside Afghanistan, fighting back after the worst terrorist attacks on American soil.

On the evening before last month’s terrorist attacks, two of the suspected hijackers made stops at automated teller machines, a Wal-Mart store and a gas station in Portland, Maine, before turning in for the night at a nearby Comfort Inn.

Of all the mysteries surrounding the Sept. 11 attacks on the World Trade Center and the Pentagon, the most mysterious may be the most basic: What did the terrorists hope to achieve?

Defying new military warnings from the United States and Britain on Tuesday, Afghanistan’s Taliban government again refused to turn over suspected terrorist mastermind Osama bin Laden and disregarded the American threat to its regime.

Prime Minister Tony Blair on Tuesday braced Britain for war with the Taliban government of Afghanistan, stating that diplomacy has failed and will be followed by military action.

For Saed Hindawi, learning how to fire assault rifles and make bombs at a military camp in Afghanistan seemed the natural thing to do.

Fifteen years of U.S. pressure preceded Pakistan’s extradition this week of a man indicted in a deadly 1986 Pan Am hijacking, but the hand-over of the remaining four hijackers could face further delays, according to officials here.

Military personnel would get their largest pay raise in two decades, development of a missile shield would continue and a new round of base closures would be permitted under legislation the Senate approved Tuesday.

They waited, the way people wait on a plane.

In the broadest sweep of financial records ever, federal investigators are asking thousands of U.S. banks, credit card issuers, brokerages and others to comb their databases for any traces of suspects in the attack on the World Trade Center.

Other attacks were planned; terrorist network runs deep

The terrorist attacks in New York and Washington have left cities and small towns scrambling to prepare for what U.S. officials say could be the next round of danger: biological or chemical attacks that most rescue workers are ill-equipped to handle.

More than 20 people who hold licenses to transport hazardous materials are in federal custody and have become a new focus in the ever-broadening investigation into the Sept. 11 terrorist attacks on New York and the Pentagon, federal law enforcement officials said Tuesday.

Executive Order Blocking Property and Prohibiting Transactions WithPersons Who Commit, Threaten to Commit, or Support Terrorism By the authority vested in me as President by the Constitution and the laws of the United States of America, including the International Emergency Economic Powers Act (50 U.S.C. 1701 et seq.)

Abdulaziz Alomari -- identified as a suicide hijacker on the first plane that smashed into the World Trade Center last week -- is “alive and well in Saudi Arabia,” a Saudi Embassy official told the Orlando Sentinel on Wednesday.

On the brink of war, the preeminent political task usually facing a president is to rally the country’s support for military action.

A Middle Eastern man whose name appears on the FBI list of people wanted for questioning in the terrorism investigation was arrested outside Chicago, the FBI said today.

Spy agencies fear clues to attacks may be overlooked

Several hijackers separately wired thousands of dollars to the same man in the Middle East hours before leaving Boston last week on suicide flights into the World Trade Center, which authorities now believe were part of a cross-country plot involving plans for additional hijackings.

Acting on a tip from an al-Qaida operative, the government alerted nuclear power plants last week that terrorists may be planning an airplane attack on a power reactor, government officials said today.

Analysts dispute whether terror network would be uprooted

Federal grand jury probing World Trade Center attack

Analysts from the FBI and other security agencies are restudying intelligence data for missed clues that might keep a horror like last week’s terror strike from happening again.

The attacks on the World Trade Center and the Pentagon were supposed to be the first wave of a sustained, days-long campaign of terror around America and the world, U.S.

After the attacks on the World Trade Center and the Pentagon, President Bush gave the military orders to intercept and shoot down any commercial airliners that refused instructions to turn away from Washington, Vice President Dick Cheney said today.

Agents with the FBI are asking Embry-Riddle Aeronautical University for records as federal officials in Washington said the terrorists who destroyed the World Trade Center and attacked the Pentagon could have been trained in America.

In the moments before United Airlines Flight 93 plunged nose-first into a scrubby field in western Pennsylvania, several passengers on the doomed airplane plotted a counterattack against the hijackers, an astounding act of heroism that may have averted a far greater disaster.

They had time to glimpse their fate, and precious seconds to tell of it.

FBI team storms Boston hotel searching for suspects in attacks on New York and Washington By JUSTIN POPE Associated Press Writer BOSTON (AP) -- Investigators tried to retrace the steps of the hijackers of two planes used in attacks on New York and Washington as heavily armed FBI agents stormed a hotel looking for suspects and Boston’s airport defended its security.

A timeline of the attacks in the United States on Tuesday (times are EDT), according to witnesses, authorities and media reports: 7:59 a.m. -- American Airlines Flight 11, carrying 92 people, leaves Boston’s Logan International Airport for Los Angeles, according to Massachusetts Port Authority. 8:01 a.m. -- United Airlines Flight 93, carrying 45 people, leaves Newark, N.J., International Airport for San Francisco, according to airline. 8:14 a.m. -- United Airlines Flight 175, carrying 65 people, leaves Boston for Los Angeles, according to port authority. 8:45 a.m. -- American Flight 11 crashes into north tower of World Trade Center. 9:03 a.m. -- United Flight 175 crashes into south tower of World Trade Center. 9:31 a.m. -- In Florida, President Bush calls the crashes an “apparent terrorist attack on our country.” 9:40 a.m. -- American Airlines Flight 77, carrying 64 people from Washington to Los Angeles, crashes into Pentagon.

Here are details on the planes that crashed.American Airlines Flight 11: A Boeing 767 en route from Boston to Los Angeles.