13 years without answers. Steven parked his car in a neighborhood hundreds of miles from his home, walked into a neighborhood and has never been since or heard from again? What could have happened to this young, ambitious young man in December of 2009?

Sources: Tips can be submitted anonymously through Crime Stoppers by calling 702-385-5555 or at crimestoppersofnv.com/report-a-crime.
Information can also be sent via text by sending “CRIMENV” and then your message to “CRIMES” (274637). Crime Stoppers offers a reward for information that leads to an arrest.

https://www.discoveryplus.com/video/disappeared/secrets-of-a-son

https://podcasts.apple.com/us/podcast/eyeson-justice-a-true-crime-podcast/id1574233382

https://en.wikipedia.org/wiki/Disappearance_of_Steven_Koecher

https://namus.nij.ojp.gov/case/MP4889

https://1470kyyw.com/steven-koecher-amarillo/

https://www.deseret.com/2010/2/27/20098864/10k-offered-for-data-about-missing-utahn-steven-koecher

https://charleyproject.org/case/steven-thell-koecher

http://img.ksl.com/slc/2507/250736/25073699.pdf

https://archive.sltrib.com/article.php?id=53090169&itype=cmsid

https://disappearedblog.com/steven-koecher/

https://www.pmfias.com/temperature-inversion-types-economic-implications-temperature-inversion/#:~:text=of%20Temperature%20Inversion-,Temperature%20Inversion%20in%20Intermontane%20Valley%20(Air%20Drainage%20Type%20of%20Inversion,commonly%20along%20a%20sloping%20surface.

https://truenoirstories.wordpress.com/2016/09/09/the-disappearance-of-steven-koecher/

Steven Koecher Case Update 2021 Chapter 7 Jordan Zirkle Interview (Steven's Roommate)