december 17th, 2013. she said tammy and sidney went out together in the hours leading up to heather's disappearance. but ashley remembered when her sister came home. >> she texted me that night saying that she was home. >> do you know about what time that was? >> it was the beginning of 3:00 in the morning. i believe it was 3:10. >> for the defense, it was a time stamp. proving tammy was home while before heather went missing. that was an all, he said. both and sidney tammy's phones were on and pinging from their house. not from the landing. when heather was there. it was also hard for morgan to listen to. some days she wished she had come to court. but that all changed during a crucial moment in the trial. >> when i found out that tammy there's going to testify, i really wanted to be there. because i do look like heather. and she ran into me in the hallway and it was the first time she had other ever made