external In the Media September 12, 2023 Kenneth Gray, a senior lecturer of criminal justice, homeland security, and emergency management, discusses the changes in security and advancements in technology since the 9/11 attacks occurred in 2001. https://www.wtnh.com/news/connecticut/expert-discusses-how-9-11-attacks-changed-u-s-security/ kenneth-gray news-all news-in-the-media year-2023 month-september name-kenneth-gray