The cover story details the disturbing behavior of the Littleton killers before last week's massacre.
( ( The cover ) ( ( ( ( story details ) ( ( the ( disturbing behavior ) ) ( of ( the ( Littleton killers ) ) ) ) ) ( before ( ( last ( week 's ) ) massacre ) ) ) . ) )
(ROOT (S (NP (DT The) (NN cover)) (VP (NP (NN story) (NNS details)) (NP (NP (DT the) (JJ disturbing) (NN behavior)) (PP (IN of) (NP (DT the) (NNP Littleton) (NNS killers)))) (PP (IN before) (NP (NP (JJ last) (NN week) (POS 's)) (NN massacre)))) (. .)))
The story has childhood pictures of the killers.
( ( The story ) ( ( has ( ( childhood pictures ) ( of ( the killers ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN story)) (VP (VBZ has) (NP (NP (NN childhood) (NNS pictures)) (PP (IN of) (NP (DT the) (NNS killers))))) (. .)))