KABUL, Afghanistan, June 2 (UPI) -- U.S. officials say they are ramping up efforts to track down a top al-Qaida lieutenant from Orange County, Calif., who has been charged with treason.

WASHINGTON, Jan. 7 (UPI) -- As President Bush is about to begin an eight-day tour of the Middle East -- part of the post-Annapolis, Md., effort to get the peace process moving -- al-Qaida's so-called American spokesman asked followers of the terror organization to greet the American president with "bombs and booby-trapped vehicles."

DUBAI, United Arab Emirates, Jan. 6 (UPI) -- American al-Qaida militant Adam Gadahn urged his followers to attack U.S. President George Bush during his visit to the Middle East this week.

LOS ANGELES, Oct. 11 (UPI) -- A U.S. citizen believed to be a fugitive in Pakistan was indicted in California Wednesday on charges of treason and aiding al-Qaida.

LOS ANGELES, Oct. 8 (UPI) -- U.S. officials say in a sealed indictment in Los Angeles they think a Californian is a valued propagandist in the United States for al-Qaida.

WASHINGTON, Sept. 8 (UPI) -- A U.S. citizen who joined the terrorist organization al-Qaida has been charged in the United States with providing material support to terrorism.

CAIRO, Sept. 2 (UPI) -- Al-Qaida released a video Saturday titled "An Invitation to Islam" that presses non-Muslims, especially U.S. residents, to convert.

WASHINGTON, Sept. 21 (UPI) -- An al-Qaida videotape released this week claiming responsibility for July's London bombings could be an opportunistic grab for publicity, CNN reports.

LOS ANGELES, Sept. 12 (UPI) -- A videotape delivered to ABC News in Pakistan warns of coming al-Qaida attacks on Los Angeles and Melbourne, Australia.