A foster parent accused of sexually abusing boys in his care could have been stopped years earlier if not for “abysmal” communication among the child-welfare agencies involved, according to a special grand jury report obtained by The Associated Press.

In the 83-page report, a Suffolk County Supreme Court jury outlined a series of failures that allowed Cesar Gonzales-Mugaburu to take in more than 100 children over 20 years, despite being the subject of 18 separate child-abuse investigations.