They are calling for a Canada-wide framework for public alerts when vulnerable children go missing, even when abduction or foul play is not suspected. Lake says that left on their own, a child with autism can find themselves in serious danger within minutes. Calgary Police ServiceIn a 10-minute video message shared Thursday by the Calgary police, Parker’s parents thanked all who helped. She also lives in the neighbourhood where Parker went missing. The office of Public Safety Minister Mike Ellis said in an emailed statement they “will be considering all options to ensure the safety and well-being of vulnerable children.”