Colorado State Trooper Cody Donahue never made it to back to his patrol car. He was killed when he was hit by a truck on I-25 outside of Castle Rock in November of 2016. On Friday, the man accused of killing Donahue faced a second mistrial, something Donahue's wife says is hard to stomach. More local videos here: https://bit.ly/2Pa0d1l Subscribe to NEXT: http://bit.ly/2eP1GwI Stay connected: 9NEWS Website: http://www.9news.com/ Facebook: / ilike9news Twitter: / 9news Instagram: / 9newsdenver Google+: https://plus.google.com/+9news/posts Snapchat: Denver9NEWS Pinterest: / 9news 9NEWS (KUSA) is located in Denver, Colorado.