Blue ribbons have popped up on trees and houses in the neighborhood of 211 Airdrie Rd. They appear to be gestures of remembrance for the well-liked resident of that house, Lisa Libetka. She died around the New Year and her boyfriend, Paul Hindle, faces homicide charges. A blue ribbon is a traditional emblem of remembrance for those who have died unexpectedly. In this case residents are remembering a friend and neighbor.