Today her mother told kpix 5s Ann Notarangelo her daughters death could have been prevented. Reporter brittney silvas among seems strong but she is clearly distraught today. She is convinced that her daughter would be alive if she hadnt been listening to music with her headphones on. I dont know how much more stronger i can be, though. I know gods sure testing me. Reporter a mothers anguish just yards away from where her daughter was killed wishing the tragedy wasnt true, wishing her daughter had taken her advice, wishing she could just have one more moment together. I hope she comes back [ indiscernible ] one more time. [ crying ] just one more time, i need her to come back. Reporter yesterday, brittney silvas mother says she was walking on these train tracks texting with her earphones in. A witness said he tried to warn brittney about the train but she didnt hear him, either, and was killed. Kpix 5 viewers may remember her from a story last month when she was interviewed about an exp