Work in a high rise or multi-level building? What if something happened and you couldn't get out? Would you do this? See for yourself in today's "Video of The Day"
What's on that note left behind by Vegas shooter Stephen Paddock? ABC Chief Investigative Correspondent Brian Ross has the latest.
Through all the tragedy in Las Vegas last weekend, there are countless stories of ordinary people doing extraordinary things. ABC's David Muir has their story.