You are employed as a supervisor in a Quality Control laboratory. Five QC analysts report to you. One of the analysts is testing samples signficiantly faster than the other four.

At first, you believe that this analyst is a high performer and an efficient manager of time.

But, as time goes on, you become suspicious about this analyst. The rate of testing completion seem impossible. You begins to suspect that the analyst is falsifying the data by making up the data and not completing the tests.

How might you proceed to investigate to properly manage this issue?