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Kim Kardashian has her sights set on her next prison case -- saying she's going to put her resources toward helping free a famous rapper who's Master P's sibling ... AKA, C-Murder.

She made the announcement Sunday, noting evidence has been questioned in the case and that eyewitnesses have since recanted their testimony about pinning him to the crime he was convicted of committing, not to mention jurors allegedly being pressured to vote guilty.

My heart goes out to the family of Steve Thomas. I can only imagine how hard this is and my intention is never to open up this painful wound but to help find the truth behind this tragedy.

— Kim Kardashian West (@KimKardashian) August 16, 2020 @KimKardashian

Kim writes, "On January 18, 2002 a tragedy occurred when a young man was killed. The next day Corey Miller was arrested for the murder." She went on to say he was convicted on a ruling of 10-2, and that if his trial happened today ... it would have to be unanimous.

She says true justice means catching the actual killer -- C-Murder was accused of fatally shooting a 16-year-old at a Louisiana club -- and that in light of these new developments over the past several years, it's time to get him out, or have him retried at the very least.

Right now, C-Murder is serving a life sentence at the Louisiana State Penitentiary.

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