Background
Teschendorf, Alan David was born on June 21, 1957 in Bad Axe, Michigan, United States. Son of Ward James and Maxine Mary (Witherspoon) Teschendorf.
Teschendorf, Alan David was born on June 21, 1957 in Bad Axe, Michigan, United States. Son of Ward James and Maxine Mary (Witherspoon) Teschendorf.
Associate in Applied Science, Delta College, 1977. Bachelor, Michigan State University, 1979. Master of Arts, Southern Illinois University, Edwardsville, 1991.
Police officer, City of Crest Hill, Illinois, 1980-1984; licensed polygraph examiner, Bureau Forensic Sciences, Illinois State Police, Fairview Heights, since 1984.
Member American Association Police Polygraphists (state coordinator since 1989), Illinois Polygraph Society (board directors 1987-1990, vice president since 1991).
Married Sharon Katherine Brandt, July 23, 1983. Children: Ryan David, Alyssa Katherine.