You jolt awake at night to the sound of your back door being kicked in. Your burglar alarm sounds, but the intruder doesn’t leave. You hear them searching from room to room — for what, you’re unsure.

A Boston woman believes her loud screams and a personal defense alarm on her keychain helped scare an intruder away. It’s a story you’ll see only on Boston 25 News. Hannah Roth was working from home ...