Ok, I'm obviously missing some random and unrelated trigger here, but how do I get upstairs in the morgue? I've taken the note from the robe, run the DNA thingy over it, got the magazine for the tech guy, picked up his unwrapping device, got the hand into a plastic bag... what now?
You don't get upstairs :)
You need to find a way into the closet where the blood trail leads to.
BTW, to get more points, as a rule, you should always photograph the crime scene.
Okay then, how do I get into the closet?
Hint1:
Spoiler
Blow the closet door open!
Hint2:
Spoiler
Go to lucas's house and look what are placed on the window.
Hint3:
Spoiler
You CAN in fact walk to the right side of lucas' house.
Hint4:
Spoiler
Inside Lucas' house, try to interact with the gernades, talk with him, or whatever, until you think you'd done enough.
Hint5:
Spoiler
Try to open the shades of the windows.
Hint6:
Spoiler
Go to the right of Lucas' house outside and grab a gernade...