Nick Burkett’s family huddled together in the cold, passing a bouquet, candles and laminated sheet of photos between them as they created a makeshift memorial on Denver’s 16th Street Mall on Friday afternoon.

Elijah Caudill, the suspect in a series of random knife attacks last weekend in Denver, is now facing first degree murder charges.

Elijah Caudill, 24, is accused of stabbing four people over the weekend, killing two of them. DENVER — Prosecutors on Friday formally charged the man who's accused of carrying out a series of attacks on the 16th Street Mall in Denver over the weekend.