She told the outlet Cowell "miss [ed] the artery" when he stabbed her.
"About 10 minutes later after we got the call, another patron told us the subject got on an Antioch-bound train", he said.
Letifah Wilson told CNN affiliate KGO that they had never seen the suspect nor exchanged any words with him when they were "blindsided ... for what I don't know". "From then on I was caring for my sister", continued Wilson.
They made a decision to take a BART train home from a family gathering, Lahtifa Wilson told ABC 7.
"If there is evidence uncovered that this defendant murdered and attempted to murder these two young African-American women due to their race or any other factor as outlined in the hate crime statutes, the complaint will be amended to allege the hate crimes", according to the Alameda County District Attorney's Office.
Nia's sister, Letifah, described her younger sibling as "the most sweetest person on the earth" and reiterated that "she didn't do nothing to nobody" to provoke the attack. "But he just stood there, like it was nothing".
He said, "Our family needs prayer, we need support".
Alicia Greyson, the victim's mother, described her as a "wonderful" daughter who had been a cheerleader and basketball player at the Oakland high school.
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South Korea's Korea Western Power and the state-run Lao Holding State Enterprise are also involved in the joint venture. The disaster is so far known to have affected at least six villages in the Sanamxay district of Attapeu province.
She was "spunky, feisty, loved to dance", she said. As for her own injuries, Wilson has stitches in her neck.
Wilson's father, Ansar al Muhammad, said the past three days have been extremely painful for his family. Still she's focused on Nia.
Officers then arrested him at the El Cerrito Plaza BART station, police said.
An anonymous tip led to Cowell's arrest on a BART train, according to a police statement. "They asked him what his name was".
'Up to this point we don't have any information that was race-motivated, but we can't discard it, ' Rojas said. The arrest comes as a huge relief for the Bay Area, where the random attack has triggered outrage and protest.
'I want justice for my daughter. It wasn't immediately known if Cowell had a lawyer. Her family said she was interested in pursuing a career in criminal justice or law.
Audio of dispatchers recorded by Broadcastify and obtained by the East Bay Times reflected the attack's chaotic aftermath. He's been in & out of jail, had a restraining order against him after he threatened to kill an employee in 2016, and just got off parole 4 months ago.
Cowell was released from state prison on May 6 after completing a sentence for second-degree robbery, said Vicky Waters, spokeswoman for the California Department of Corrections and Rehabilitation.
Police have yet to establish a motive for the attack.
"We're very glad that less than 24 hours, we were able to get this suspect into custody", Rojas said.
Malika Harris places a candle down for her sister Nia Wilson at a makeshift memorial outside the MacArthur Bay Area Rapid Transit station, Monday, July 23, 2018, in Oakland, Calif. I want to again express my condolences to them, first and foremost.