Jurors heard that a "large number of people" had keys to the house and the door was usually left unlocked.

BBC: Mick Philpott

The keys to his front door were in an unlocked porch.

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The male resident, who wasn't identified by police, left the door open as he ran upstairs to get his keys, and when he came back downstairs he saw Mr. Smith in the house wearing a ski mask and dark clothing, Lt.

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