“I didn’t think of it either, and I knew they were there too.” Iestyn’s voice was muffled through his arms. All of the medication in their bathroom down to the last tablet of ibuprofen was now stored in a locked box in the cabinet under the bathroom sink, which they had one key to each. David had been thorough in his organising. He seemed to perform it with a religious vigour, dedicated to making his home safe for his daughter.