He did so after one of Bates ' girlfriends told him that Bates said she was going to the library that evening .
Bates ' father , a machinist employed at the Corona , California Naval Ordnance Laboratory , filed a missing person report .
father did so after one of Bates ' girlfriends told father that Bates said Bates was going to the library that evening .
Bates ' father , a machinist employed at the Corona , California Naval Ordnance Laboratory , filed a missing person report .