As of April 2018, five states have Marsy’s Law, including California, Ohio, Illinois, North Dakota, and South Dakota. Montana passed Marsy’s Law, but it was later overturned. Nevada, Oklahoma, Kentucky, and Georgia are voting on Marsy’s Law in 2018.
And you don’t know what Georgia passed last year. It is not called that but the state law now provides all those protections and notifications. The state’s you name have it as part of the state constitution which is what Georgia is voting on. There is NO reason to make it part of the state constitution