i think you need to sit down, katelynn." i was like, "what's going on?" i remember is just dropping to the ground. >> reporter: rachel's friend shannon couldn't believe what she read online. >> i found out through facebook. i was scrolling and saw someone post something, "r.i.p. rachel." >> reporter: all right. >> and i was like, "what the hell is going on?" so then i called her younger brother, and he said somebody came into her house and murdered her. and i said, "what do you mean somebody came into her house and murdered her?" >>> coming up -- what had happened in that house? an eyewitness account from todd. >> oh, my god, get the children out of here. >> and what does this box have to do and what does this box have to go with fire and death on a dark mown tail when deadly twist continued. if they're talking about you... you must be doing something right. experience the style, craftsmanship, and technology that have made the rx the leading luxury suv of all time. lease the 2019 rx 350 for $399 a month for 36 months. experience amazing at your lexus dea