Two people were killed in a stabbing spree in Denver, Colo. over the weekend, including a veteran flight attendant who was on a layover in the city, officials said.

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,

Police in Denver have arrested the suspect wanted in a series of stabbings, some of them deadly, near the 16th Street Mall over the weekend.