PBI asked to probe case filed over torture of Kishore in custody Cartoonist Ahmed Kabir Kishore. Star file photo Star Digital Report Star Digital Report A Dhaka court today asked Police Bureau of Investigation (PBI) to probe the case filed over torture of cartoonist Ahmed Kabir Kishore in police custody. Judge KM Emrul Kayesh of the Metropolitan Sessions Judge's Court of Dhaka came up with the order after Kishore filed the case on March 10 in connection with the torture. The court ordered PBI to conduct the investigation with a superintendent of police (SP) ranked PBI officer and asked to submit the probe report by April 15.