‘The scene wasn’t properly sealed off’: Fire investigator says delay in securing origin site leads to ‘undetermined’ cause of Diamond Fire

SCOTTSDALE, Ariz. – More than a year after the Diamond Fire tore through North Scottsdale and threatened hundreds of homes, investigators say the cause of the fire has been declared undetermined. Records obtained by 12News show there was a 15-hour delay in securing and protecting the suspected origin site,…

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