Now what do I do with everything I've found

Hint 1 of 8:

The obvious answer is take it to Karyn at the Bureau of Records.

Hint 2 of 8:

You should give her both Chen's ID and the drug patch.

Hint 3 of 8:

Get all the information you can on Chen's "friends."

Hint 4 of 8:

The scroll, however, is beyond Karyn.

Hint 5 of 8:

Why don't you take it to a Chinese scholar as she suggests?