Prosecutors have until 2:30 tomorrow afternoon to charge a 50-year-old man in the abduction of Katie Poirier. The Moose Lake convenience store clerk was kidnapped in late may and hasn't been found. Authorities are also investigating whether the suspect may be linked with the death of a twelve-year old Waseca girl. Cally Jo Larson was raped and killed in April. Dr. Michael Farnsworth is the medical director of the St. Peter Regional Treatment Center and the Minnesota Security Hospital. He works with sex offenders, and sometimes helps law enforcement develop profiles of suspects.