Discover a captivating collection of movies and TV series renowned for their gripping "Principal witness" theme. Immerse yourself in suspenseful courtroom dramas, thrilling crime thrillers, and enthralling investigative documentaries. Explore the complexities of being a crucial witness and delve into nail-biting plots where justice hangs in the balance. Uncover the tales that showcase the inherent power of a principal witness and the profound impact they have on legal battles and criminal investigations.