this weekend, pauley perrette is the driving force that focuses on the victim of stalkers. >> i have13 years and counting. you're frighten. it is like you have to be on guard at all time and it is exhausting. it is a terrible way to live. >> pauley perrette, in real life, she says he's often afraid to leave her house. >> if i go anywhere, i go some places that have like such extreme security, i don't go anywhere alone. >> how does being stalked affect you had in your everyday life. >> it is as a theft of our life. >> there is nowhere to go or run. >> it is 24 hours a day. pauley does not want to mention her alleged stalker name but he casts a shadow over her life. >> i never say where i am going and i always say where i have been after i am not at that place anymore. >> what did police tell you when you go to them? >> i had a stalking to -- you should have stayed and let him break your arm then we could have done something. >> another police officer said well, we are trying to solve a homicide and i am like, we are trying to prevent them >> pauley is leading the charge for stricter s

according to actress pauley perrette from the cbs crime drama "n.c.i.s.," the laws have to change. "48ours" correspondent erin moriarty investigates. ♪ ♪ >> reporter: the career of 22-year-old singing sensation christina grimmie was exploding. >> really like this song. >> reporter: from youtube performances to the big time ♪ i came in like a wrecking... >> reporter: tv's "the voice,," to concert tours. >> you griez awesome! >> reporter: and then in 2016, the promising star, while welcoming fans at a meet-and-greet, was shot dead, the victim of an obsessed fan, a stalker. >> she had a stalker in the sense of the modern age that we live in of celebrities having to put themselves out on social media. >> reporter: orlando police detective michael moreschi: >> she had no clue that this man was stalking her over the internet or that she was in any danger at all. >> thanks for listening! >> that poor girl with her arms wide open, just heartbreaking. >> reporter: do you feel that could be you? >> i think every victim feels like that-- that it could be us. >> reporter: actress pauley perrette f

pauley perrette.ues around stalking and women fighting to save their lives. >> the career of 22-year-old singing sensation christina gremmy was exploding, youtube performances to the big time. ♪ i came in like the rain >> to concert tours. >> you guys are awesome. >> reporter: then in 2016, the promising star, while welcoming fans at a meet and greet, was shot dead. the victim of an obsessed fan, a stalker. >> she had a stalker in the sense of the modern age that we live in of celebrities having to put themselves out on social media. >> reporter: orlando police detective michael moreschi. >> she had no clue that this man was stalking her over the internet or that she was in any danger at all. >> that poor girl with her arms wide open, that's heartbreaking. >> reporter: do you feel that could be you? >> i feel like every victim feels like it could be us. >> actress pauley perrette from "ncis" says she has been stalked for more than a decade and finds law enforcement sometimes slow to help. although her