Four years after the murder of his wife, the Chandigarh Police on Monday arrested a Panjab University (PU) professor for his alleged involvement following forensic psychological assessments. Bharat Bhushan Goyal, a senior professor at the University Business School (UBS), PU was arrested from outside his residence on Monday morning, following the findings of the Brain Electrical Oscillation Signature (BEOS) and polygraph tests. Later in the day, he was produced before the Chandigarh court, where he was remanded in three days of police custody. Police officials said the investigation will now focus on recovering victim Seema Goyal’s missing mobile phone, the murder weapon, and determining whether any other person was present or involved at the time of the crime. According to the police, the case remained riddled with complexities from the beginning, but a combination of forensic psychological assessments, and years of scientific and circumstantial evidence paved the way for the professor’s arrest. SSP (Chandigarh Police) Kanwardeep Kaur said that the brain oscillation and polygraph tests of the accused and his daughter were conducted, in which …