More from the article...

... "We applaud General Kelly for highlighting in stark details the danger of a second Trump term. Like General Kelly, we did not take the decision to come forward lightly," the letter said. "We are all lifelong Republicans who served our country. However, there are moments in history where it becomes necessary to put country over party. This is one of those moments."

Politico was first to report on the letter.

The letter, released by the Harris campaign, is signed by former officials including former press secretary Stephanie Grisham, former chief of staff at the Department of Homeland Security Miles Taylor, and Olivia Troye, former national security adviser to Mike Pence. All three former Trump administration officials have become high-profile critics of his after his presidency ended. ...