'I was on high alert': Women shares unsettling train journey with Gilgo beach murder suspect Rex Heuermann

Kaylin Morales recounts a disturbing train encounter with Rex Heuermann, weeks before his arrest in the Gilgo Beach murders. She felt uneasy when Heuermann sat uncomfortably close to her on a near-empty train, making a strange comment. Morales secretly recorded him, later providing the footage to authorities after recognizing him in news reports.