A Colchester man will be formally charged on Thursday after police say he inappropriately touched a girl.

Police from the Chittenden Unit for Special Investigations arrested William Cornelius, 48, for aggravated sexual assault.

Cornelius was then released on a citation. He will be arraigned Thursday.

Police say during their investigation, they found that Cornelius had a previous relationship with another person who was a registered and licensed foster parent from 2001 to 2010.

Cornelius also became a registered foster parent.

If convicted, he will spend a minimum of 25 years in jail.