What should I ask Archie?

Hint 1 of 7:

First let him do the talking, then start being a PI again.

Hint 2 of 7:

What was your case about again?

Hint 3 of 7:

Thomas Malloy, wasn't it.

Hint 4 of 7:

Ask Archie about Malloy.

Hint 5 of 7:

Then some new topics should pop up.

Hint 6 of 7:

Ask about his interview with Malloy.