The slaying of 20-year-old Mia Ayliffe-Chung and fellow Briton Tom Jackson was on a list of 78 attacks the White House says were "executed or inspired by" the Islamic State terror group, and under-reported by the media.
Rosie Ayliffe says the possibility that the two Britons died last year in a terror incident was discounted early in the investigation.
She says: "This vilification of whole nation states and their people based on religion is a terrifying reminder of the horror that can ensue when we allow ourselves to be led by ignorant people into darkness and hatred.
Disclaimer: No Business Standard Journalist was involved in creation of this content