WASHINGTON, Nov. 9 (UPI) -- An investigation into a staged U.S. Federal Emergency Management Agency news conference found aides were instructed to pose as reporters.

WASHINGTON, Oct. 23 (UPI) -- U.S. President George Bush Tuesday dispatched Homeland Security Secretary Michael Chertoff to California as the federal government rushed aid to firefighters.

WASHINGTON, Oct. 4 (UPI) -- A computer flaw at the U.S. Department of Homeland Security led to a flood of e-mails that inundated government officials and private security experts.

WASHINGTON, Oct. 4 (UPI) -- The e-mail inboxes of hundreds of infrastructure protection professionals across the United States were clogged with hundreds of unwanted messages Wednesday.

WASHINGTON, Sept. 25 (UPI) -- Michael Jackson, the top deputy to Homeland Security Secretary Michael Chertoff, announced Monday he would quit the department next month; an unexpected departure that has stoked congressional concerns about the turnover of senior officials at the department.

WASHINGTON, Sept. 11 (UPI) -- Small aircraft flying into the United States from overseas faced new Department of Homeland Security rules Tuesday to prescreen passengers and crew.

WASHINGTON, Aug. 22 (UPI) -- The Department of Homeland Security is among the top five U.S. agencies where computers have been used to anonymously edit Wikipedia entries.

WASHINGTON , Aug. 8 (UPI) -- U.S. Department of Homeland Security officials are planning a crackdown on employers who hire illegal immigrants, the New York Times said Wednesday.

WASHINGTON, June 17 (UPI) -- Homeland security officials are fighting a plan in Congress to delay a requirement that U.S. citizens use passports when returning from neighboring countries.