The rampage began just as the morning commute was getting underway.
Over the course of about an hour, authorities say, a 20-year-old college student killed a woman at his Ladera Ranch home and embarked on a string of shootings that stretched through the heart of Orange County, targeting random people during their morning routines.
He carjacked a truck at a gas station, police said, then executed a businessman and stole his BMW. A few minutes later, he killed a plumber and took a work truck. He shot indiscriminately at morning commuters on the 55 Freeway, hitting at least three cars.
In the end, authorities say the gunman killed three people and wounded three others before fatally turning his gun on himself.
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http://www.latimes.com/news/local/la-me-oc-shootings-20130220,0,2319028.story