These brain scan images provided by Biogen show how high levels of Alzheimer's-related tau protein, in red, dropped in a recipient of the company's experimental drug diranersen. (Biogen via AP)

The White House is seen through a fence surrounding Lafayette Park, Thursday, July 16, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

President Donald Trump speaks in the East Room of the White House, Thursday, July 16, 2026, in Washington. (Saul Loeb/Pool via AP)

Ronaldo Salgado, son of Lorenzo Salgado Araujo, speaks during a news conference Wednesday, July 8, 2026, in Houston. (AP Photo/David J. Phillip)

Mark Rodriguez exits his van outside a visitation for Lorenzo Salgado Araujo, who was shot and killed by an ICE officer last week, Thursday, July 16, 2026, in Houston. (AP Photo/David J. Phillip)

Ronaldo Salgado, center left, son of Lorenzo Salgado Araujo, who was shot and killed by an ICE officer last week, is hugged outside a public visitation for his father Thursday, July 16, 2026, in Houston. (AP Photo/David J. Phillip)

People hug outside the chapel during a public visitation for Lorenzo Salgado Araujo, who was shot and killed by an ICE officer, Thursday, July 16, 2026, in Houston. (AP Photo/David J. Phillip)

FILE - A federal agent wears an Immigration and Customs Enforcement badge in New York, June 10, 2025. (AP Photo/Yuki Iwamura, File)