A man who bludgeoned his stepdaughter on the head with a hammer then stabbed her and her husband to death before picking up their children from school is facing a life sentence after he was convicted of the two murders .

Derek Martin said he "just flipped" after a row exploded over money and brutally bludgeoned Chloe Bashford,

on the head several times with a hammer, killing her in her own home before grabbing a kitchen knife and stabbing the mother-of-four, 30, eight times as she lay on the floor.

Martin then lay in wait for her husband Josh, 33, to return home at lunch before chasing him upstairs and stabbing him four times before strangling him to death with a belt.

The grandfather attempted to clear up the carnage before calmly picking up their four children from school.

He th

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