Sasha Ingber

Defense Secretary James Mattis released a farewell message to all employees on Monday, in the waning hours of his job as Pentagon chief.

"I am confident that each of you remains undistracted from our sworn mission to support and defend the Constitution while protecting our way of life," he wrote.

He said that the Pentagon is at its best "when the times are most difficult," and told them to "keep the faith in our country and hold fast, alongside our allies, aligned against our foes."

Updated at 10:30 a.m.

A U.S. citizen has been arrested in Moscow on suspicion of espionage, Russia's Federal Security Service announced Monday.

The domestic security agency named the detained individual as Paul Whelan. It said in a short statement that he was caught during a spying operation, without adding further details.

The security service said a criminal investigation is underway. If convicted of espionage, Whelan faces up to 20 years in prison.

Friends remember Washington state social worker Alan Naiman as being frugal. He wore old shoes held together with duct tape, bought his apparel at the grocery store, drove jalopies and ate at cheap restaurants. But when he died of cancer in January 2018, at age 63, the people around him learned that he had quietly saved millions for a higher cause.

Naiman left most of his $11 million estate to organizations serving abandoned, impoverished, sick and disabled children.

A 16-year-old is scheduled to graduate from high school in Kansas and Harvard University within the span of two weeks.

Braxton Moral, a senior at Ulysses High School, plans to attend the school's commencement May 19, then the university's ceremonies later in the month, reported The Hutchinson News.

"I'm not any different; I just do a little thing on the side," he told NPR. "I try to play it down at high school because if I talk about it, it becomes a divide."

The United States has lost its oldest World War II veteran. Richard Overton, who fought overseas in a segregated unit, died Thursday at age 112.

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