SCOTUSblog by Amy Howe 7/12/2019
The battle over the Trump administration’s efforts to build a wall along the U.S.-Mexico border came to the Supreme Court today, as the federal government asked the justices to block a lower-court order that barred the government from using $2.5 billion in Pentagon funds for construction of the wall.
The lawsuit in which the justices have been asked to intervene was filed in February of this year by the Sierra Club, an environmental group, and the Southern Border Communities Coalition, a group that promotes policies to improve the quality of life in border communities. They argued that government officials exceeded their authority when they spent more money than Congress had allocated for border security – and, in particular, when the Department of Defense redirected $2.5 billion originally earmarked for military personnel funds to its counter-narcotics funds for use in construction of the wall.
More:
https://www.scotusblog.com/2019/07/battle-over-border-wall-comes-to-the-court/