The joint forces have recovered the docket of journalist Shamsur Rahman murder case from the Deben Babu Road residence of Kazi Khairuzzaman Shipon, senior vice-president of the central committee of 'Deshnetri Parishad'.

Several other documents of two ministries were also recovered during the swoop, third time since October 17, on his house.

The Deshnetri Parishad leader who is a close relative of Khulna City Corporation (KCC) Mayor Sheikh Tayebur Rahman is absconding since the Operation Clean Heart began.

According to police, Shipon harboured alleged criminals Asaduzzaman Litu and Mushfequr Rahman Hirok who are among the chargesheeted accused in Shamsur Rahman murder case.

The joint forces were surprised how the Deshnetri Parishad leader obtained the secret documents of such a sensational murder case, the chargesheet of which was submitted by the Criminal Investigation Department (CID) to court last year.

Several other secret documents relating to the ministries of education and forest, fisheries and livestock along with five bearer bank cheques with signature of BNP leader and former member of parliament (MP) Syeda Nargis Ali and a lot of gate passes of the Secretariat complex in Dhaka were recovered on Thursday night.

Police said allegations are there that Shipon used to collect illegal toll from fishermen and forest officials in the Sundarbans in the name of Fisheries and Forest Minister Shajahan Siraj. Besides, he also used to blackmail government officials and political leaders identifying himself as the 'most influential man' in the area and a close relative of Shajahan Siraj and the city mayor.