The suspect in last weekend’s series of 16th Street Mall stabbings that killed two people and sent another two to the hospital had a warrant out for his arrest after failing to appear in court less than a month prior, according to court records. Elijah Caudill, 24. (Provided by Denver Police Department) Elijah Caudill, 24, is being held in Denver City Jail on suspicion of four felonies: two counts of first-degree murder and two counts of attempted first-degree murder, county records show. On Dec.