(NewsNation) — The FBI is once again seeking information about the location of missing autistic teenager Sebastian Rogers.
Rogers, who was 15 at the time of his disappearance, has now been missing from his Tennessee home for 18 months.
The night before his disappearance, his mother, Katie Proudfoot, says she heard a loud bang come from his room. She yelled to check on him, and he responded that he was alright…