By Aaron Couch
Updated February 03, 2016 at 12:00 PM EST
Credit: Heidi Gutman/ABC via Getty Images

Though viewers and critics largely gave positive reviews to Tuesday night’s The People v. O.J. Simpson: American Crime Story, for victim Ron Goldman‘s sister Kim, the premiere was a painful experience.

Speaking to Today, Kim, 44, said it’s difficult to be reminded of the double murder, which claimed the life of her brother and his friend Nicole Brown Simpson in 1994.

Many have speculated that Ron may have stumbled across the murder scene when the 25-year-old, a waiter at the trendy Santa Monica restaurant Mezzaluna, came to Nicole’s house to return glasses her had had left earlier that night after a family dinner. Kim is disappointed that the miniseries did not credit her brother with attempting to save Nicole’s life.

“He didn’t run. They don’t show that in this. And that really sucks,” Kim toldToday. “My brother could have run and saved his own life – and he stayed to help his friend. I want people to remember my brother was a hero.”

Kim previously opened up to PEOPLE about what her brother meant to her in last week’s cover story on American Crime Story.

“My brother was the closest thing next to my father,” Kim told PEOPLE. “He was my best friend and I am heartbroken that my brother was never able to realize his dreams and come into his own.”

The People v. O.J. Simpson: American Crime Story airs Tuesdays (10 p.m. ET) on FX.

Episode Recaps

The People v. O.J. Simpson: American Crime Story

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  • FX