Who is Vikas Dubey, the history-sheeter who killed 8 cops in Kanpur

In Uttar Pradesh's Kanpur, 8 Police personnel lost their lives after being fired upon by criminals when they had gone to raid Bikaru village in search of history-sheeter Vikas Dubey. SSP Kanpur says, "They'd gone to arrest him following a complaint of an attempt to murder against him. They were ambushed".  

The family members of Vikas Dubey are now claiming that Dubey has not been home for the past two days. But who is Vikas Dubey? Watch this special report to find out.