1974 Farmhouse Slaying Of Mary Jayne Jones: Trial Begins (VIDEO)

40 years of waiting! The prosecution continued presenting its case in the first full day of testimony in the Robert Pilcher murder trial in the 1974 death of Mary Jayne Jones.

The 1974 farmhouse slaying has been reopened after the Iowa Division of Criminal Investigation re-examined the case in 2010. They conducted tests on the 38-year-old blanket stained by semen and has been used as key evidence against Pilcher.

Pilcher is now 67 years old.

VIDEO