India, Dec. 17 -- The December 13 (Saturday) shooting at Brown University in Rhode Island's Providence has proven to be a conundrum for investigators. Three days have passed, and the Providence Police Department and the FBI are yet to zero in on a suspect.

On Monday, the FBI released fresh videos and photos of a possible person of interest in the shooting that killed two and injured nine. A reward of $50,000 is on offer for information leading to the capture and conviction of the suspect. Monday's update came after a 24-year-old was taken into custody as the person of interest Sunday and was later released.

As the manhunt rages on, a move by Brown University caused a massive row, sparking speculation that it could be linked to Saturday'...