Santa Barbara County Sheriff Bob Brown on Saturday described the preceding day's Isla Vista massacre as a confusing crime scene involving 10 separate locations.
According to the Brown, Elliot Rodger killed and wounded 19 people using knives, guns and even his BMW.
Officials also said the 20-year-old suspect had posted ominous YouTube videos and an online manifesto in the weeks leading up to the rampage.
Watch the video above for Brown's comprehensive explanation.
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