. >> reporter: joel vetter says he pushed his county to use the system. >> smart 911 provides for meve more of a solid sleep knowing that my family, my home and my community is protected with the application. >> reporter: it turns out, lanor lives in the county where he has helped implement masmart 911. so she's signing up. >> the sooner we get her enrolled the sooner we can benefit from it. >> reporter: she says she feels like for the most part she can keep her son nick safe at home. >> we've called 911 on a number of occasions over the last 20 years. they have been amazing in their response to the home. they've been here often enough they kind of know nick. >> reporter: but she says she fears what could happen when nick leaves the house. >> something happens to me, he's unsupported. someone's going to call 911, there's an accident. but they don't know him. i can't advocate for him. why is that guy fleeing the scene. did he do something? stop or we'll shoot. that's when you wake up cold in a nightmare, because i know he can't stop. >> reporter: with this new service, lanor's informa