her dad started telling the tale something his daughter may have seen and he was distraught and wanted to talk about it. he said you know reina? he says, yeah, i know the name. reporter: she lived with chandy and she knew something, something important. and he goes, i think she knows where the car is. reporter: the elusive mercedes. detectives drove out to see reyna. we just waited until she showed up. we kind of surprised her. reporter: it s what you guys do, right? you know, sometimes it works better that way, yeah. she was nervous and startled. wasn t sure what to do. ultimately, she provided us the paperwork for the storage locker. reporter: reina s storeage locker, it was a big one, ten feet by 20. we rolled the door up. the only thing in it was a black mercedes benz with no license plate on it. wow. a huge moment. reporter: a black mercedes