Can we write a complete sentence after ”before of”

please try to use the following example to explain "The police didn't say why, but we think it was because of when he went to help in the quake area with food and money and met many parents who'd lost children," she said. source: fifth paragraph in... show more please try to use the following example to explain

"The police didn't say why, but we think it was because of when he went to help in the quake area with food and money and met many parents who'd lost children," she said.

source: fifth paragraph in
http://uk.news.yahoo.com/rtrs/20080719/tpl-uk-china-dissident-0117f86.html
Update: the topic is wrong....should be "because of" not before of" ..............
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