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, 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.

After two people were killed and two others wounded in downtown Denver, a suspect has been arrested and now faces charges related to the attacks. See a timeline and map of when and where those attacks took place.