Millions don't have flood insurance "when they really should," an expert said.
"I want to see two things in Los Angeles, voter ID, so that the people have a chance to vote, and I want to see the water be released and come down into Los Angeles and the state. Those are the two things," Trump said.
Over the weekend, officials said FEMA paused briefly some operations in the state because of threats made against its workers.
A North Carolina man was arrested for allegedly threatening the lives of FEMA employees who were helping Hurricane Helene victims.
There are a lot of misperceptions about FEMA's role in disaster recovery, what it does - and does not - pay for and what residents in hurricane-hit areas can expect.
Please do not be alarmed, remain calm, do not panic. The blaring noise you'll hear from your phone later today is just a test. Here's what to know.