Investigations have begun to unravel the mystery surrounding the death of a 15-year-old schoolgirl whose body was recovered from a rice field in Lalmai, Cumilla. Police arrested CNG auto-rickshaw driver Sumon from Chattogram after tracing his vehicle from the crime scene. Sumon's testimony led authorities to locate the schoolgirl's mobile phone. Police confirmed the phone’s recovery to Bangla Tribune on Friday night. This discovery is expected to provide crucial clues in determining the circumstances surrounding the girl’s death. Further investigation is ongoing to piece together the events leading up to the tragic incident in Lalmai.