The nephew of a fallen officer was sworn into his uncle's police department in a touching ceremony. Sergeant Richard 'Sam' Howard was shot and killed in the line of duty in 2017. His 5-year-old nephew, Enzo Russell, took an oath to be a good boy, love his parents and always try his hardest in honor of his best friend, Sergeant Howard. Now Officer Enzo will carry on his legacy with pride. InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.