The bodies were discovered Jan. 15. Relatives found them hanged in the second-floor apartment where they lived in Bernville.
Troopers initially called it a murder-suicide. But police now say they think both were murdered and the investigation continues.
Last week, the Berks County coroner ruled the mother's death a homicide. He had ruled the girls death a homicide almost immediately.
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Information from: Reading Eagle, http://www.readingeagle.com/
