Family of 16th Street Mall stabbing victim

The grandparents of Denver stabbing suspect Elijah Caudill say their grandson was plagued with untreated mental health issues ...
Three stabbings happened Saturday evening and a fourth happened Sunday night in the area of the 16th Street Mall in downtown ...
On Dec. 20, just three weeks before the 16th Street Mall stabbings, Elijah Caudill failed to appear in court for a review ...