National security officials say the Kremlin is at it again: Just like in 2016, Russia is using social media to try to undermine the U.S. presidential election, only with even more sophisticated tools.

When Joe Prude called Rochester, New York, police to report his brother missing, he was struggling to understand why Daniel Prude had been released from the hospital hours earlier. Joe Prude described his brother's suicidal behavior.

"He jumped 21 stairs down to my basement, headfirst," Joe says in the early hours of March 23, in a video recorded by the responding officer's body camera. Joe's wife, Valerie, described Daniel nearly jumping in front of a train the previous day, on the tracks that run behind their house.

Updated at 4 p.m. ET

Firefighters are battling multiple fast-spreading wildfires in northern California, including the heart of the state's wine country, as authorities say at least three civilians have been killed by the Zogg Fire in Shasta County.

The ruler of Kuwait, Sheikh Sabah al-Ahmad al-Sabah, has died at the age of 91. Born in an era when the tiny Gulf emirate's economy relied on pearl diving, his life spanned the discovery of oil and Kuwait's emergence as one of the world's richest countries.

Kuwaiti state television announced the emir's death Tuesday after playing Quranic prayers.

Since the release of the Mueller report in April 2019, it's been analyzed, praised and criticized — and cited by President Trump as proof that there was no collusion with Russia in the 2016 presidential election.

Andrew Weissmann was one of the lead prosecutors on special counsel Robert Mueller's team. In his new book, Where Law Ends, Weissmann looks back on where the Mueller investigation succeeded — and where it fell short.