FROM MAIL ONLINE - Three girls under 10 were found dead on Friday morning inside a house in Clinton, Maryland.
The bodies were found by an adult family member who then called the police.
Exactly how the young girls died is not clear, police said they had experienced 'trauma to the body'.
'We are now in the midst of a major investigation into what happened to these children and who killed them,' police department spokeswoman Jennifer Donelan said. 'We have not determined who the person responsible is yet,' she said.