This is a guide for the third and last part of the Death Factory mission which is called R&D. This guide explains how to complete R&D with the maximum score by showing you how to eliminate Dr. Valentine and Dr. Ashford with silent and signature kills and how to hide their bodies, how to recover the evidence and how to destroy Dr. Ashford’s research on the hardest, purist, difficulty. After you have completed all the challenges for the Death Factory mission and completed R&D in the way this guide suggests you can expect 331,925 score from R&D.
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At the start go into the conference room and go through the door at the back of it down the stairs. At the bottom of the stairs wait for the guard to leave.
Once he does follow him until you get to some stairs to the left. Follow those stairs down and go through the room out through the door ahead onto the catwalk. Keep going down and past the researcher and guard on the platform. Go down all the way to the lowest level and up to the little wagon:
Then turn around and make go back all the way to the room that you found the guard at the bottom of the stairs in. Stand near the electric gun and wait for Dr. Valentine to show up.
Once he is there select the fibre wire. Walk up behind him when he goes to the target dummies. Check that one of the researchers in the room is out of sight:
Then garrotte Dr. Valentine. Drag the body between the counters and down the stairs. Keep going down as before, but leave the body on the last bit of stairs:
Sneak to the area to the left and go behind the paper walls. You can stop sneaking there. Go all the way to the opposite side of the level and close the valve. Now you have very little time. Run back to Dr. Valentine’s body and drag him down the stairs and into the area to the left behind the wall. Dump the body over the railing. Go back to the valve and wait there until Dr. Ashford gets closer.
Then turn the valve again and walk up to Dr. Ashford. Garrotte him and drag the body to the railing:
Be sure not to drop the body where there are metal bars that stop him from falling into the water. Recover the evidence on a table nearby. Go to the bridge control near the valve and activate the bridge. Go into the corner to the right to avoid being spotted by the guard that turns around once the steam clears and wait for the bridge to arrive.
Go over the bridge and play Dr. Ashford’s log on the console. If you want to hear what he has to say wait until he stops speaking before you complete the next objective. There are two fuse boxes in the room. Sabotage both of them and exit R&D through the door ahead. Once you have done that it is the end of R&D and indeed the whole Death Factory mission.