Serial Killer Lead 1 | Cop Missions Sleeping Dogs Guide
Last update: 11 May 2016
After a conversation with Teng go to the marked place and change in policeman's clothes.
Thanks to that you get into a crime scene.
In one of the warehouse you find three corpses of gangsters. Photograph one of them and then search the rest.
When you finish, return to the van, give back disguise and call Teng to finish the mission.