Suspect arrested for investigation of first-degree murder in Denver stabbing greeleytribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from greeleytribune.com Daily Mail and Mail on Sunday newspapers.
Police in Colorado and elsewhere use 'excited delirium' to explain deaths. It's a controversial term linked to 139 deaths since 2010. Critics say it doesn't exist.