On the Monday after an attacker on the 16th Street Mall stabbed four strangers — killing two — Denver Mayor Mike Johnston stood on the mall and declared that the city was still safe. The random acts of violence that claimed two lives on the pedestrian shopping street Johnston calls “Denver’s living room” over the weekend are “exceedingly rare,

Denver police are searching for a suspect accused of stabbing three people near the 16th Street Mall on Saturday night. One woman who was stabbed later died of her injuries, according to police.

City leaders say investments will bring people downtown, but a fatal stabbing spree adds to the challenges that remain.