Images of Nia Wilson, who was fatally stabbed at a BART Station, are worn by a family member Wednesday, July 25, 2018, outside a courtroom in Oakland, Calif. A paroled robber who allegedly stabbed a woman to death and wounded her sister in an unprovoked attack at a California train station was charged with murder and attempted murder on Wednesday. John Cowell, 27, was set to be arraigned in Oakland in the attack against Nia Wilson, 18, of Oakland, and her 26-year-old sister, Letifah Wilson. (AP Photo/Ben Margot)
Celebrities call for action in Nia Wilson's death
Celebrities such as Viola Davis and Anne Hathaway are calling for action in the stabbing murder of 18-year-old Nia Wilson.
00:41 - Source: HLN
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Images of Nia Wilson, who was fatally stabbed at a BART Station, are worn by a family member Wednesday, July 25, 2018, outside a courtroom in Oakland, Calif. A paroled robber who allegedly stabbed a woman to death and wounded her sister in an unprovoked attack at a California train station was charged with murder and attempted murder on Wednesday. John Cowell, 27, was set to be arraigned in Oakland in the attack against Nia Wilson, 18, of Oakland, and her 26-year-old sister, Letifah Wilson. (AP Photo/Ben Margot)
Celebrities call for action in Nia Wilson's death
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