After eight years on December 6 this year CID sleuths arrested police officials Prab Deka (then OC, Sopur Police Station) and Abdul Matlib Chowdhury (then Investigation Officer) with reference to case number 18/2012 under Section 120/436/201 IPC. Six persons of a single family — Harakanta Doley, his wife Swap Doley, their three children and his nephew — were beheaded, on that fateful night.