The head of the Boy Scouts of America is doing damage control after an investigation showed that hundreds of sex abuse allegations against Scout leaders were never reported to police.

Chief Scout Executive Wayne Brock published an open letter to parents highlighting his organization’s efforts to protect Scouts from predators, such as criminal background checks for all volunteers and a policy that says no Scout should ever be alone with just one adult leader.

The Los Angeles Times obtained a significant portion of the BSA’s “perversion files,” which detail abuse allegations against Scout leaders dating back to 1919.

In hundreds of cases, the paper said, there was no record that police were contacted. In others, Scout leaders accused of molestation were allowed to give fake reasons for leaving the organization.

Read more at the NY Daily News