“A Fragile Trust” is a documentary that tells the story of how Jayson Blair, a journalist at The New York Times, became known as the most infamous serial plagiarist of the modern era. A free screening of the documentary will be at 6 p.m. April 15 at the Victoria Fine Arts Center, 1002 Sam Houston Drive. After the screening, filmmaker Samantha Grant and Macarena Hernández, the last person Blair plagiarized, will have a conversation and answer questions about the scandal. Admission is free.