RAW VIDEO: Sheriff details Isla Vista massacre

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.