[IYAS9YAS]

This article http://www.oregonherald.com/oregon/local.cfm?id=4971 says that their father had just taken pictures of them playing in the leaves, and was indoors when the accident happened. It also says that the pile had partially fallen over into the street. So, it appears to be questionable as to exactly where the pile was and where the girls were in the pile.

[IYAS9YAS]

Whoops, wrong link. Here's the correct one: http://www.katu.com/news/local/2-teens-arrested-in-connection-to-car-hitting-killing-two-girls-228869021.html