NCIS and using ASL

Description NCIS Abby and Gibbs using ASL with Abby's brother. NCIS S13E12 It's a NCIS & NCIS New Orleans 2 parter. Sister City, Part I (NCIS, Season 13, Episode 12). Sister City: Part II (NCIS New Orleans, Season 2, Episode 12). Related info (Source IMDb Reasonable Doubts and Mark Harmon) Mark Harmon did 44 episodes in a tv show in Sept 1991-April 1993 called Reasonable Doubts. Mark Harmon (as Detective Dicky Cobb) is reassigned as an investigator for Marlee Matlin (as assistant D.A. Tess Kaufman), partly due to the fact that she is deaf and he can sign. Tess is already assisted by her own translator. Mark Harmon studied American Sign Language for his various tv roles with The Sign Company.