Behind the mud and rust, investigators in Oklahoma believe they have cracked open two cold cases, a half century old.<br/> <br />Inside these cars, authorities found 5 bodies. Dive crews testing new sonar equipment in a lake discovered the remains by accident. Authorities believe the bodies have been under water since the 1960s and 70s.<br/> <br />SOUNDBITE: Sheriff Bruce Peoples of Custer County saying:<br/> <br />"It's gonna bring closure to the families when we can notify everyone who is involved in this."<br/> <br />The sheriff believes the bodies in one car belong to three teens who went missing in 1970.<br/> <br />Authorities believe the two bodies in the other car belong to a couple who disappeared in the 1960s while heading to the lake.<br/> <br />The State Medical Examiner will use DNA from surviving family members in an attempt to identify the bodies.
