everyone coming together and praying makes you feel--candles and prayers and tears. though much of modesto was here, not a single person understood, not yet and not for a while why the gathering would become a defining moment. it looked like he might have shed a tear or two, he seemed to be avoiding laci's family and friends. what about the vigil. >> he was on the phone. >> sharon would not know for a long time the truth about scott's phone call that night. it was that night sharon first allowed her mind to go to that very dark place. >> it was new year's eve when i started to go back and forth. i thought could he be involved