(17 Feb 2023) A farmworker charged with killing seven people last month in back-to-back shootings at two Northern California mushroom farms pleaded not guilty Thursday. (Feb. 17) Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter: https://twitter.com/AP Facebook: https://facebook.com/APNews Instagram: https://www.instagram.com/APNews/ ​ You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/91594330fd994f49bf7a4d080b6fdbbc