Oakland January 8, 2020 6:59 pm Man Accused of Killing Nia Wilson Formally Enters Plea John Lee Cowell says he’s ‘not guilty, by reason of insanity’. He is accused of fatally stabbing Nia Wilson, and attempting to kill her sister in July of 2018, at the MacArthur BART station. US & World Videos 2:12 Pro-Palestinian protests continue to grow at Bay Area universities 0:42 Southbound I-680 in the East Bay reopens after weekend closure 2:22 Pro-Palestinian protests continue to grow at Bay Area universities 2:24 Pleasanton community gathers to remember family of 4 killed in crash 0:43 Pleasanton community gathers to remember family of 4 killed in crash