In the spring of 1990, Bergen made a documentary called
Blood Sport where she claimed there was an underground network of
pitbulls involved in dogfighting in
Denver. But she secretly staged dogfights to make footage for the documentary.
Debra Saunders of the
San Francisco Chronicle was one of the first journalists to question her account alongside
Rocky Mountain News. Bergen was pressured to resign on September 6, 1990, when her deception was discovered. She was later found guilty of staging dogfighting but not for perjury. She later had to pay a $20,000 fine. ==References==