She had not been sexually molested. 2 months later, on May 30, authorities arrested Griffin, who had 1st been questioned the day after finding Medlin's body. Investigators say Griffin violated police rules by stopping motorists while he was off duty. Human blood and hair were found in Griffin's patrol car. Griffin's twin brother, Jeremy, said his brother used a small electric vacuum to clean the interior of his patrol car on March 29, just hours after Medlin disappeared.
Investigators say the motvie remains a mystery.
Medlin's family say they are certain she did not know Griffin.