Many of these scandals relate to molestations committed decades
ago, which were hushed up by the Church at the time. This hushing up
included pressurising abuse victims into silence, a practice supported
by Church decrees such as the Crimen sollicitationis.
This culture of secrecy and self-preservation is one of the factors which has allowed paedophiles to remain active within the clergy, together with the tradition of clerical celibacy which may attract those who cannot satisfy their sexual proclivities openly, and priests' frequent access to children in the pastoral duties.
http://rationalwiki.org/wiki/Child_sexual_abuse_in_the_Roman_Catholic_Church
This culture of secrecy and self-preservation is one of the factors which has allowed paedophiles to remain active within the clergy, together with the tradition of clerical celibacy which may attract those who cannot satisfy their sexual proclivities openly, and priests' frequent access to children in the pastoral duties.
http://rationalwiki.org/wiki/Child_sexual_abuse_in_the_Roman_Catholic_Church