a riveting profile of law enforcement , and a visceral , nasty journey into an urban hades . 
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(ROOT (NP (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NN ) (NN )))) (, ) (CC ) (NP (NP (DT ) (JJ ) (, ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NNS )))) (. )))