A partial government shutdown over Department of Homeland Security funding has become the second-longest in U.S. history. The shutdown is causing TSA staffing shortages and long airport lines, especially during the busy spring break travel season.

President Trump installed his new Department of Homeland Security (DHS) secretary, former Sen. Markwayne Mullin (R-Okla.), on Tuesday afternoon. But a compromise plan to reopen his department is teetering.

Senators reconvened Sunday on Capitol Hill, where they worked through Sen. Markwayne Mullins' nomination for Department of Homeland Security secretary and debated DHS funding and the SAVE America Act.

The Senate confirmed Markwayne Mullin to replace Kristi Noem as the head of DHS, but the department he's been selected to lead is still shutdown.

The partial government shutdown that began Saturday in a battle between Democrats and the Trump administration over oversight of immigration officers seems to have no clear end.

The Department of Homeland Security is using discretionary funding to continue paying active-duty U.S. Coast Guard personnel during the department's ongoing shutdown, even as civilian employees remain unpaid.

The Department of Homeland Security has been shut down since Feb. 14 as immigration enforcement negotiations drag on.

The partial government shutdown of the Department of Homeland Security could impact how the federal government is able to address potential terror threats in the U.S ...

How much longer will the partial government shutdown last? What are the odds the shutdown ends today, or this week? Here's the latest shutdown news.