Mass Effect 2: Quarian Crash Site
The first method is to wait until you’ve received an e-mail from Cerberus command. If you don’t want to wait you’re free to find the crash site yourself. In both cases you must begin this quest by opening the galaxy map and travelling to the Hades Nexus. Land on the surface and begin your exploration of the [Gei Hinnom - Crash site] map. The first thing you should do here is to explore the area in the vicinity of the crash site....