The facts as laid out by the Daily Mail article, it looks like this was a murder-suicide. The couple had been charged (and plead guilty) to child related abuse in the past. Three of the kids have been found. The other three it appears were not in the car or were washed out to sea.
Sarah and Jennifer Hart were found dead on Monday alongside three of their six adopted children after their their car plunged off a cliff in Westport, California
http://www.dailymail.co.uk/news/article-...ghter.html
Sarah and Jennifer Hart were found dead on Monday alongside three of their six adopted children after their their car plunged off a cliff in Westport, California
http://www.dailymail.co.uk/news/article-...ghter.html