Thirty-six years later, Leola Cochran, shown in November in her Batesville, Indiana, home, believes she knows who killed her son and is still investigating Micheal's murder.

Leola Cochran's son Micheal was murdered in Dedham, Maine in 1981. This photo from Dec. 28, 1986 shows a picture of Micheal and some of the notebooks and newspaper clippings that became part of her investigation.