In this guide, you will come to know how to solve the Serial Killer Murder mystery in GTA 5 Online. You will know how to unlock the Secret Navy Revolver in GTA5 Online.
There are five different locations to find clues, and each clue is connected to the next one. So you have to use the helicopter to go to the locations because it will not take a lot of time to travel. You need to go on the right side of the grid area in the first location, as shown in the map below.
When you get there, you will find the first clue written on the wall “can you find me.”
To find the next clue, you have to head towards the airport next to the airport’s terminal. When you get there, you need to go to the right side of the road, and there you will find some garbage and right next to the garbage you will find your next clue, as shown in the image below.
You will need to go to the Grapeseed to find the next clue. When you get there, you will find an abandoned Barn, and on the right side of the barn, you will find a big knife stuck on the side, which is the clue.
To find the next clue, you have to head to Paleto Forest. When you get there, you have to go to the backside of the store where you will find a public toilet, and on the door of that toilet, you will find a clue, as shown in the image below.
When you find all of the clues, you will get a threatening message from Slasher, so now you have to go on the beachside in an open area and wait for a few minutes, and you will see that a man will come and attack you. So you have to kill Slasher, and when you kill him, you will get fifty thousand game cash and unlock the navy revolver weapon. When you kill twenty civilians with the revolver, and when you kill them, you will get two million.