but they hadn't made an i.d. yet. >> reporter: michelle valdez. after years of having only her rap sheet and her father's bittersweet memories to go on, ida lopez was now sure she knew where michelle valdez was. >> did you know michelle was pregnant when she disappeared? >> i did. >> reporter: a few days later lab work confirmed ida's hunch. jane doe number 8 was michelle valdez. >> and i had to tell dan. the hardest part of this whole thing is having to go to somebody's house and say we