external In the Media May 27, 2021 Kenneth Gray, senior lecturer of criminal justice, talks about the databases for DNA from felons that help to solve cold cases. https://www.fox61.com/article/news/crime/true-crime/dna-37-year-old-avon-cold-case-massachusetts/520-21f83468-938f-481f-a68f-6aa218560142 news-all news-in-the-media year-2021 month-may