This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx

A string of six teen suicides prompted by bullying in Mentor, Ohio, led Alix Lambert to a horrifying discovery: the system and every single adult associated with it failed to act in the face of a clear and present danger.

This talk contains profanity and deals with adult issues like suicide, in a very direct manner.

Alix Lambert's feature length documentary “The Mark of Cain” was nominated for an Independent Spirit Award, received an honorable mention from the French Association of Journalism, and aired on “Nightline.” She went on to produce additional segments of “Nightline” as well as seven segments for the PBS series “LIFE 360.” She has directed and produced two other feature length documentaries, “Bayou Blue,” made in collaboration with David McMahon, and “Mentor.” She has directed numerous shorts and music videos including “You as You Were” for the band Shearwater (Sub Pop) and “Tiffany” (POV).

Lambert has written for a number of magazines, including Stop Smiling, ArtForum, The LA Weekly, and Filmmaker Magazine, and is an editor at large for the literary journal Open City. She is also an author and director and is currently producing a segment for “This American Life.”