Page 27 - An Inky Lead Questioned Documents
P. 27

Post-Lab

             Questions








               Handwriting Analysis                               Chromatography




               1.  Were any of Louise Mondelo’s signatures        4. What digits were in a different ink?
                 on the receipts similar to John Gretzky’s?         ...............................................................................
                 Which?
                                                                    ...............................................................................
                 ...............................................................................     ...............................................................................
                 ...............................................................................   ...............................................................................
                                                                    ...............................................................................

               2. Did John Gretzky forge Louise’s name?
                 Explain your reasoning.                          5. Give a hypothesis for which ink was added
                                                                    later.
                 ...............................................................................
                 ...............................................................................      ...............................................................................
                                                                    ...............................................................................

               3. What additional information/evidence would
                 be useful in your investigation?                 6. Examining the ink patterns for the values of
                                                                    all signatures, what patterns exist?
                 ...............................................................................
                 ...............................................................................      ...............................................................................
                                                                    ...............................................................................



                                                                  7.  Compare the ink pattern on the receipts you
                                                                    believe are forged to those you believe are
                                                                    authentic. What conclusions or avenues for
                                                                    further investigation can you purpose from
                                                                    this evidence?

                                                                    ...............................................................................
                                                                    ...............................................................................





                                                                          THE MYSTERY OF LYLE AND LOUISE    27
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