evidence: Odisha train tragedy: Jr Engineer Amir Khan not missing, but still under CBI scanner [...] Watch: Sabotage behind Odisha train tragedy? Sr. Rly engineer’s tell-all interview "The CBI team had left Balasore on June 16 after completing initial investigations. The team returned on Monday to seal the house," a police source said. "The house was sealed as Khan was not present at his home. It was presumed that he was missing," a police official said. This has been discounted by railway officials. [...] Watch | Odisha train tragedy: A deep dive into the 17-A concern