Nia Wilson, 18, was on the BART with her older sister when a man now identified asJohn Cowell, 27, attacked the sisters. According to a man who witnessed a portion of the attack he said he saw one of the victims bleeding from their neck while Cowell began "poking" the other woman, as reported by SFGate. Following the incident, BART police arrived at the scene and began performing CPR on Wilson. Wilson's older sister was taken to a hospital for treatment.
\u201cMurder suspect identified in MacArthur stabbing. John Cowell is considered dangerous. Please call 911 if spotted. RIP Nia Wilson. We will bring this suspect to justice. Our thoughts are with the family and friends. Details: https://t.co/DEkTJvJnNe\u201d
Wilson had been celebrating her boyfriend's birthday on Sunday. Her boyfriend drowned in a lake two years ago according to Ebony Monroe, a cousin of the sisters.
"She needs her justice…she was just an innocent kid, and she didn't deserve this," Monroe said. "And he did this for no reason."
Oakland R&B singer Kehlani offered her condolences to the sisters and their family in a series of tweets.
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"Rest in peace Nia Wilson. praying for your sister to pull through and heal, and for her heart when she does. God bless your family. BART, you have cameras & thousands of passengers daily, you're being held accountable!!! this shit is wild. so young, super heartbreaking...," She tweeted.
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"#BART manages to catch riders who haven't paid ticket fair, young graffiti artists, you can catch a murderer. give her family some peace and get a murderous white supremacist off of Oakland streets," she added.
It's unknown if Cowell is actually a white supremacist or not.