Crime October 31, 2012 Jessica Ridgeway Killer Charged as an Adult Yesterday in Colorado Austin Sigg was formally charged as an adult for the murder of 10-year-old Jessica Ridgeway. He is being charged as an adult regardless of the fact that he is a juvenile. Are you shocked to hear Mandy Robinson CONTINUE READING MORE LIKE THIS Sylvia Browne Predicts Amanda Berry was Dead Pedro Hernandez Wants Etan Patz Murder Charges Dropped