Dateline Episode Trailer: The Alibi

01:00

Andrea Canning reports on the homicide of private first class soldier and young mother Karlyn Ramirez. Canning also takes a glimpse into the FBI's crime lab and an in-depth look at how multiple agencies uncovered a plot that spanned several states and prompted suspicions of espionage. Airs Friday, January 11 at 10/9c on NBC.