again was the right thing to do. >> exactly. it was a tough conversation to have with -- i went and spoke with mixed mom. >> she believed with the rest of the family it wasn't a suicide. >> exactly. and they were very supportive of all of us to do an examination. >> with meg's family on board, the prosecutor asked a court to order her examination. >> we definitely needed the body of meg purk to be exhumed for the medical examiner. >> if the body is not in good shape, could this go forward? >> if it had been too decomposed, it's unlikely this case would ever have been prosecuted. >> while the detective pressed forward, that summer, lidl report up the murder investigations in august 2011 scott purk was indicted for two arson's. the fire in his home, and the one at amy salvage eo's duplex. >> can we show you of photo of