july 24th, the day after the bachelorette party. kelly's mother was driving home from a weekend camping trip. she approached ben around 5 pm. re-entered cellphone range. >> i turned my phone back on and my phone was just pinging and pinging. and the very first message that i looked at was from cam saying, have you seen kayleigh? have you heard from kayleigh? >> why would cam be asking her about kayleigh? after all they live together. >> julie's phone jerked over and over. camera texted or the same question almost hourly all day? >> so you're looking at multiple messages. >> yes. >> each getting a little bit more word. >> yes, and i called her first. and her phone went to voice. mel which kayleigh notoriously letters cellphone battery go really low. so that wasn't surprising. >> by then, cam had already