British-born gunman 'convinced US authorities he was no threat'

British-born gunman Elliot Rodger, who stabbed and killed his US college room-mates before embarking on a shooting rampage, convinced authorities that he was not a threat during a welfare check to his home last month.

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Elliot Rodger warns of 'retribution' in chilling video

California shootings suspect Elliot Rodger posted a chilling video on YouTube warning of "the day of retribution" before seven people were killed in a gun attack.

In the almost seven-minute video, posted on Friday, Rodger warned of "the day in which I will have my revenge against humanity" after what he called of "an existence of loneliness, rejection and unfulfilled desires".

The above is a short clip from the start of the video.

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