Item description:

Beyond the Shades and Tactical Upgrades

You will start in the prison, exit it, then also leave the cemetery, as you leave that go through the large metal door that has a bar with a symbol, follow the path up the stairs, up the stairs, walk the entire long corridor until you reach the Stairs and enter that door, go to the mansion and skip the cinematic that will give you another trophy, after re-entering the mansion you will have a zombie do not worry go up the stairs and go back up the stairs again and go to the door have the trunk and grab the briefcase, examine it and open it will give you pieces of weapon, take the main weapon and combine them that should give you the other trophy