Run Every Night News Today

Her boyfriend, dalton jack. >> she is kind, sweet, caring, shell do anything for everybody. >> reporter: jack says she was dog-sitting for his brother and she goes for a run every night. >> she probably has on her fitbit, because she never takes it off. she uses it for the sleep tracker and for all her runs and everything. >> reporter: investigators with help from scores of volunteers, combing the cornfields near her running route. david, investigators found her i.d.s and wallet at home, but not...