google.com/amp/s/abc7.com/amp/rogel-aguilera-mederos-truck-driver-convicted-110-year-prison-sentence-colorado-crash/11344021

Tl;dr

Company and driver were cited for infractions regarding the drivers individual driving and the companies trucks not meeting safety standards.

Day of the crash the trucks brakes collapse

Some of his charges include 6 counts of 1st degree assault.