Derek Spencer was arrested three times and released in Sacramento County in the weeks before he allegedly gunned down Cheryl Macy in Placer County.
https://www.foxnews.com/us/california-gunman-repeatedly-released-deadly-rampage-fiery-shootout-deputies
https://www.foxnews.com/us/california-gunman-repeatedly-released-deadly-rampage-fiery-shootout-deputies