08.13.2018 - By San Francisco Chronicle
This July 3, 2017, photo provided by Ebony Monroe shows her cousin Nia Wilson in a selfie, who was killed in an unprovoked stabbing attack at a Bay Area Rapid Transit station in Oakland, Calif., Sunday, July 22, 2018. John Cowell, 27, a recently paroled robber with a violent history, was peacefully arrested on an Antioch-bound train Monday night about 12 miles (19 kilometers) from the Oakland station where investigators believe he killed Wilson and wounded her sister Sunday night.