Real-life grandaughter of ‘Gangster Squad’ character says film is not her grandpa’s story

Josh Brolin (left) plays a fictionalized version of real-life Sgt. John O'Mara.

Director Ruben Fleischer’s latest film “Gangster Squad” has not fared well with critics or audiences. Inspired by a true story, the 1940’s set cops vs. mobsters flick stars Josh Brolin and Ryan Gosling as members of an undercover LAPD task force assigned to deal with East Coast gangster Mickey Cohen (Sean Penn). The film has been knocked by critics for having a shallow script and paper-thin characters, and reviewers have also taken “Gangster Squad” to task for being “cartoonish” and “overly violent.”

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And the movie hasn’t done much better with moviegoers, debuting at No. 3 with a lackluster $17 million first weekend at the box office -- a disappointing opening for the $60 million dollar crime drama.

Critics and audiences aren’t the only ones taking issue with Fleischer’s movie. The real-life granddaughter of Josh Brolin’s character Sgt. John "Jack" O’Mara recently called the film “outlandish,” saying that it bears no resemblance to the reality of what her grandfather and the actual Gangster Squad did.

In a blog post written earlier this month, Sierra O’Mara Schwartz -- the 21-year-old granddaughter of the late O’Mara -- talked about her childhood memories of "Grandpa Jack" and detailed his story's long journey to the silver screen from her family's perspective.

Schwartz makes the whole experience of seeing her grandfather's life turned into a movie sound surreal (as it would be for anyone), but stresses to prospective moviegoers that Brolin's trigger-happy character is not a true reflection of the real O'Mara. “My grandfather shot one bullet in his whole career in the LAPD,” Schwartz said, adding that, according to her mother, it was only a warning shot.

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In the film, O'Mara is seen beating criminals to a pulp, shooting them in the legs to wound them, and killing others with an iconic Tommy gun. Quite rightly, the university sophomore doesn't want audiences to judge her grandpa based on a Hollywood portrayal of him. “It is weird knowing millions of people will watch a movie and all of a sudden think your grandfather was a ruthless gun lover when that couldn’t be farther [sic] from the truth.”

Schwartz goes on to call Paul Lieberman’s book "Gangster Squad" (on which the film was loosely based) a much more faithful depiction of her grandfather’s illustrious crime fighting career, but encourages people to be excited for the film.

O'Mara Schwartz with Gosling at the

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Written prior to "Gangster Squad's" Los Angeles premiere -- to which O'Mara's family was invited -- Schwartz said she was nervous in the days leading up to the movie's premiere and that she'd been having "recurring daydreams of shaking hands with Ryan Gosling." According to a photo posted to her Instagram account, Schwartz was able to make good on that daydream.