![](https://thumbnails.cbsig.net/_x/w400/CBS_Production_Entertainment_VMS/2023/09/01/2260430403934/SMITHSONIAN_AIRDISASTERS_101_2350526_1920x1080.jpg)
Invisible Killer
44M MAR 12, 2023 TV-14
S18 E21: A head-on collision between a passenger train and a freight train in the Rocky Mountains leads to an investigation that shocks the Canadian railroad industry.