"Gangster Squad" is loosely based on true events that took place in Los Angeles during the late 1940s. The film depicts the efforts of the LAPD to combat organized crime, particularly the activities of mobster Mickey Cohen. While the characters and some events are inspired by real figures and incidents, the film takes significant creative liberties for dramatic effect, blending fact with fiction to create an engaging narrative.

"Gangster Squad" is a 2013 crime film directed by Ruben Fleischer, set in 1940s Los Angeles. It features a star-studded cast including Josh Brolin, Ryan Gosling, and Sean Penn. The movie is visually stylish and has moments of intense action, but it received mixed reviews from critics. While some praised its performances and retro aesthetic, others criticized it for being formulaic and lacking depth. Overall, whether it is considered a "good" movie depends on personal taste, particularly for fans of the genre.

"Gangster Squad" is loosely based on real events and figures from the 1940s and 1950s in Los Angeles, primarily focusing on the conflict between the LAPD and mobster Mickey Cohen. While it captures the essence of the era and the fight against organized crime, many characters and events are fictionalized or exaggerated for dramatic effect. Notably, the film takes creative liberties with timelines, character portrayals, and specific incidents, making it more of a stylized interpretation than a strict historical account.

As of my last update, "Gangster Squad" may not be available for streaming on Amazon Prime Video as part of its subscription service. However, it might be available for rental or purchase. Availability can vary by region and over time, so I recommend checking the Prime Video platform directly for the most current options.