The four-day trial of a former priest who, accused of sexually abusing at least 80 Boy Scouts in the 1980s and 1990s, was concluded on Friday in Lyon, France.

Bernard Preynat, 74, is charged with committing lecherous acts against the young boys between 1971 and 1991, when he served as scout chaplain in the Sainte-Foy-lès-Lyon region of eastern France.

The prosecutor of the Republic, Dominique Sauves, requested a prison sentence “which is not less than eight years” against the ex-priest.

Preynat faces a possible decade in prison and a 150,000-euro (nearly $167,000) fine.

He is accused of abusing dozens

Read more: French ex-priest, accused of sex abuse, may get 10 years