From the Coroner:
McHenry County Coroner, Dr. Michael Rein, announced that his office has determined the cause and manner of death of Yeisemar Morales-Sanchez, age 20 of Crystal Lake and Kirby Graham, age 32 of Grayslake. Both were determined to have passed away from carbon monoxide toxicity because of a defective exhaust system of the vehicle that was driven by Kirby Graham.
Working collaboratively with Crystal Lake Police Department and Crystal Lake Fire Department, the manner of death was found to be an accident.
Again, we would like to thank the Crystal Lake Police Department and Crystal Lake Fire Department during this investigation.
