Chris has been shooting and producing video professionally since 1997, recording and editing training sessions, conferences, public events, and documentary interviews for a variety of public, private, and non-profit organizations including the Omaha Summer Arts Festival, the Iowa Governor's Conference on Substance Abuse, the Iowa Mental Health Conference, the Drug Endangered Children Summit, D.A.R.E., the Iowa School Resource Officers Association, the Iowa Peace Officers Association, and the Iowa Narcotic Officers Association. 

 A 21-year veteran of the Air National Guard, Knowles distinguished himself by designing, employing, and training on all video, audio, and information systems utilized by the Iowa National Guard Counterdrug Task Force and Midwest Counterdrug Training Center. He has shot hundreds of hours of video in this capacity. 

He has taught and facilitated courses at thirteen different High Intensity Drug Trafficking Areas (HIDTA), three Regional Information Sharing Systems (RISS), the US Bureau of Indian Affairs (BIA), numerous metropolitan and county law enforcement agencies, United States Customs and Border Protection (CBP) sectors, Drug Enforcement Administration (DEA) field offices.

Knowles became a an instructor for Law Enforcement Video LLC (formerly known as Sawabini & Associates) in 2021 and began teaching full-time following his military retirement in 2022. Knowles has been a featured presenter at the ai2-3D International Forensic Photography Symposium.