Having now read accounts of the evidence given by the mother, I’m afraid I find it impossible to believe it is true.
How were her fingerprints found on the internal packaging of knives, if she had never opened their packaging? Why did her account of the bow and arrow deny that she had seen it, when her own husband claimed she had?
What are the penalties for lying to a public enquiry?
I love my sons. And if one of them was mentally disturbed, threatening, clearly seriously disordered, and buying knives, then yes, I would be reporting that fact to the police, CAMHS, social services, and my GP. And I would not stop reporting until my child was sectioned.
There is actually mental illness in my family and a family member has been sectioned in the past. I know how very very difficult it is to get help- but yes, these parents were grossly irresponsible and we should deplore them, even if failings in the law mean they cannot be punished for their inaction.