Singer Christina Grimmie was killed by a stalker and Ivanka Trump has been stalked, too; now, an "NCIS" star is trying to change stalking laws. "48 Hours" correspondent Erin Moriarty investigates.
Genres: Crime , Documentary , News
Keywords: angry , anxious , biting , callous , cautionary , complex , disturbed , informative , magazine-show , suspenseful , suspicious , true-crime , latest-episodes , gowatchseries-watch-tv-shows-online-free