The FBI is speaking to the girlfriend of the Las Vegas gunman after she returned to the US.
Police say Stephen Paddock meticulously planned his massacre – before firing guns into crowds of festival-goers for up to 11 minutes.
He’d set up cameras inside and outside his hotel room to watch for police – before killing 59 people and injuring more than 500 others.
Chris Kudialis, reporter for the Las Vegas Sun, says authorities will be hoping Paddock’s partner can shed more light on his motives.
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