The seduction of children: empowering parents and teachers to protect children from child sexual abuse.
Sentencing Guidelines recommend imposing the maximum term of supervised release for all sex offenders, this means that a lifetime term of supervised release is recommended for all child pornography offenders.
Several of the commentators note that most people don't get into porn unless things in their lives have already gone awry.
This does not excuse them, because ultimately we are all responsible for our own behavior.