The department could do a better job of collecting data and developing measures and metrics to assess what they're getting out of investments.
Homeland Security Secretary Jeh Johnson said he's worried about foreign fighters, who go overseas to join terrorist groups, learn how to fight and return to carry out potential attacks, as well as the domestic-based "lone wolf" attacks inspired by such groups.
DHS made the concessions in a settlement with 11 individuals who sued the government because they say they were coerced into agreeing to leave the country voluntarily.
The head of the Homeland Security Department's office charged with preventing nuclear terrorism said a recently issued solicitation is not looking to purchase portable radiation detection devices that will cost up to a $1 million apiece.
The Senate Appropriations Committee chairwoman released a draft bill July 23 that would provide more than $1 billion in emergency funding to help the Homeland Security Department and other departments cope with the influx of unaccompanied minors crossing the southwestern border.
President Barack Obama is seeking $3.7 billion in emergency appropriations from Congress to help deal with the thousands of unaccompanied children crossing the southwest border.
Texas Gov. Rick Perry asked the federal government to reimburse his state for a decade of contributions to border security during a House hearing July 3.
Overturning a lower court's decision, a federal appeals court ruled that a Mexican boy killed by a Border Patrol agent may have had his Fifth Amendment rights violated, even though he was shot in Mexico and was not a U.S. citizen.
While the Homeland Security Department has established performance measures and reporting processes within multiagency security efforts along the Southwest border, congressional investigators said it still needs to do more to strengthen the collaboration and improve efficiency.
The massive number of unaccompanied children crossing the southwestern border has federal officials scrambling to provide enough people and space to deal with the crisis.