Crime Library: Criminal Minds and Methods

Slideshow: The pedophile problem

A survey of cases that captured the public’s attention and outrage.

Mark Berndt: Teacher Accused of Playing Sex Games with Kids

A Los Angeles elementary school teacher accused of playing weird sex games with kids might have gone undiscovered if it weren’t for an old-fashioned habit: in the age of digital photos, Mark Berndt allegedly brought 35-mm film photos of bound and gagged kids to a drugstore to be developed.