ICYMI: LOCUST launchers, VR crime scenes and more

Today on In Case You Missed It: The US Navy shows off a UAV launcher that fires drones like an overgrown T-shirt cannon. We take a look at two uses for virtual reality — recreating crime scenes for jurors and Netflix’s digital Blockbuster — that might actually be useful. And a paralyzed father stood on mechanical legs to walk his daughter down the aisle.