Why doesn't this kill my "Enemy"

Im following a book tutorial I ordered. I’m sure some of you have heard of it. I’m following the instructions to the ltter but it’s not working. here’s a screen. Can anyone offer some insight?
Screenshot - a6b86cdc9a306e5ba11ac62b69280210 - Gyazo

When your game is running you can debug your blueprint and see where the logic is flowing.

These sorts of things become obvious when viewing the flow of logic.