OAKLAND, Calif. (KGO) -- A booking shot has been released of John Cowell, who was arrested in the deadly stabbing of Nia Wilson at the MacArthur BART station.
VIDEO: 'Remember Her' A tribute to Nia Wilson
Cowell, 27, was arrested last night at the Pleasant Hill BART station.
VIDEO: What we know about the deadly Oakland BART stabbing
Police say Nia and her sister Letifah Wilson were stabbed by Cowell at the station on Sunday night. The sisters were on their way home from a family gathering when the attack happened around 9:45 p.m. Letifah suffered injuries to her neck. Letifah said they were blindsided by a maniac that they did not know their attacker.
RELATED: This is the moment the BART stabbing suspect was arrested
Investigators are still searching for a motive in the seemingly random attack.
Go here for full coverage on the stabbing at Oakland's MacArthur BART station that took the life of 18-year-old Nia Wilson.
CONTINUING COVERAGE ON DEADLY BART STABBING: