#NCIS season 18: How could Mark Harmon’s Gibbs continue changing?
“#NCIS season 18: How could Mark Harmon’s Gibbs continue changing?” Over the course of NCIS the past couple of years, we’ve seen a lot of development for Mark Harmon and his character of Jethro Gibbs. While he may have a lot of the same DNA of the guy we’ve known for so many years, there are inklings…