Warning signs were abundant prior to the school shooting in Parkland, Florida, last month—so why wasn’t it prevented? Aside from protocol failures and lack of sufficient school security, Amy Swearer points to three specific traits that tend to mark school shooters. Swearer joins the podcast to explain what those are.

Plus: “Roseanne” makes a major comeback, President Donald Trump defends the Second Amendment, and Wendy’s drops an unforgettable mixtape.