The Blood
Type O Blood was found at the crime scene and was an important piece of evidence in convicting Jens Soering in the 1985 murders of Derek and Nancy Haysom. But newly tested DNA evidence suggests Soering wasn't at the crime scene, and the Type O blood belonged to an unidentified male. More testing revealed a second unknown male left blood at the scene. DNA experts don't believe Soering could have been at the Haysoms' home when they were murdered. A small town sheriff named Chip Harding st...