Law & Order: Dead on the Money Hints

Why the lab and not research?

  • 1 of 4: Did you take a closer look at the gun?
  • 2 of 4: The serial numbers have been filed off. Research has nothing to trace.
  • 3 of 4: On the other hand, maybe there's some physical evidence the lab could trace.
  • 4 of 4: Like a fingerprint, perhaps.