Thanks! If my memory served me correctly, the writing contained chapters.
But this describes how such a innocuous tip can yield big results, because she was persistent.
"Jo Ann Steffey of Tampa was convinced that her neighbor was the killer. She had reported her suspicions to the police before but nothing ever came of it. She was thinking of calling in again. She had bad vibes about her neighbor from the first time she saw him, which was years before the murders. The man had moved out of the neighborhood two years ago but Steffey still felt that he was the suspect. Moores press conference had stirred those emotions again."
http://www.crimemagazine.com/tourist-trap-murder-rogers-family