India, Dec. 13 -- A stop-start but high-tech probe may finally be unravelling the mystery behind the murder of a professor's wife on Panjab University (PU) campus in Chandigarh, and the suspect is the professor himself.

Arrested last Monday - four years and one month after his wife was found dead on Diwali day in November 2021 - Professor BB Goyal's brain-mapping allegedly revealed patterns that have made him a suspect for the murder of wife Seema Goyal, a homemaker.

This is reportedly the first such use of Brain Electrical Oscillation Signature, a technology usually called brain-mapping, by police of the Union Territory of Chandigarh in a murder case.

BB Goyal, a senior professor at the University Business School of PU, continues to b...