Jessi Pierce's 'little sister' reveals heartbreaking final texts with NHL podcaster... and harrowing way she found out mother of three and her kids had died in a fire

The 37-year-old Pierce, whose legal name was Jessi Hinrichs, and children Hudson, 8, Cayden, 6, and Avery, 4 were found dead after a devastating blaze engulfed their Minnesota home.