Contra the chicken littles, NH didn't descend into a Mad Max wasteland after Sununu signed the Constitutional Carry law in Feb. 2017: NH's violent crime rate fell from 198.7/100 K to 152.5/100 K in 2019 (the latest year for which stats are available).
https://crime-data-explorer.app.cloud.gov/pages/explorer/crime/crime-trend https://x.com/JdmMeuse/status/1433508840595763202