Assassinate the Assassins is a side mission in Borderlands 2
Murder Assassin Wot
Optional: Assassinate Wot with pistol
Pick up ECHO Recorder
Waste Assassin Oney
Optional: Assassinate Oney with Sniper Rifle
Kill Assassin Reeth
Optional: Assassinate Reeth with melee
Mok Assassin Rouf
Optional: Kill Rouf with shotgun
Turn in: Sanctuary Bounty Board
Roland needs your help. Kill the disguised Hyperion Assassins.
$55 x bonus (up to $220)
Uncommon Submachine Gun(Green) or Uncommon Pistol (Green)
"This is a recorded message to any Crimson Raiders in the area - Sanctuary has been targeted by four Hyperion spies masquerading as bandits. They're hiding out in Three Horns. Find them, kill them, and see if you can figure out why the're here" (Roland)
With the assassins dead, Sanctuary should be safe for the time being.
Go around the plant and kill the four assassins. Pick up the ECHO Recorders they drop. When you have killed all four of the assassins, return to the Sanctuary Bounty Board for your reward.
Strategy Guide - Tips - Cheats
You are not required to kill the assassins using the weapon in the mission objective, but if you do, you will get a higher cash reward.