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FILE - In this Friday, April 22, 2016 file photo, authorities set up road blocks at the intersection of Union Hill Road and Route 32 at the perimeter of a crime scene, in Pike County, Ohio. As the investigation into the killings of eight family members in rural Ohio enters its fifth day, more details are being released. Pike County Prosecutor Rob Junk told The Columbus Dispatch Monday, April 25, 2016, that the marijuana operations discovered at three of the four crime scenes included a grow-house sheltering hundreds of plants. (AP Photo/John Minchillo, File)

Family hoping reward leads to tips in Pike Co. murders

A billboard is displayed along a highway urging people with information to come forward, but family members of the Rhoden family said they a…