CHICAGO — The family of a Walgreens employee who was killed while working says her death could have been prevented.
Police said Olga Maria Calderon, 32, was stocking shelves at the drugstore in Wicker Park 10 days ago, when she was attacked and fatally stabbed.
Sincere Williams, 18, was arrested and charged with her murder.
A judge had recently taken Williams off electronic monitoring after he was charged with breaking into a Melrose Park gun shop and stealing 14 hand guns.
Calderon’s fiance says multiple warning signs were ignored.
“We need to make sure the mistakes that happened before this event, never happen again. That this person, if he needs help — he gets it. That the state’s attorney does her job this time, and cares,” said Israel Alvarado, Calderon’s fiance.