(S (S (BASENP (DT The) (NN victim)) (VP (VP (VBD suspected) (SBAR (S (BASENP (PRPD his) (NN attacker)) (VP (VP (VBD was) (ADVP (RB also))) (NP (BASENP (DT a) (NN student)) (PP (IN at) (BASENP (NNP Georgetown)))))))) (CONJP (COMMA ,) (CC and)) (VP (VBD did) (NP (BASENP (JJ extensive) (NN examination)) (PP (IN of) (NP (BASENP (NN information)) (ADJP (JJ available) (PP (IN on) (NP (BASENP (NNP Facebook)) (COMMA ,) (NP (BASENP (DT a) (JJ popular) (NN web) (NN site)) (VP (VP (VBN used) (PP (IN by) (BASENP (NNS students)))) (S (VP (TO to) (VP (VB socialize) (ADVP (RB online)))))))))))))))) (PERIOD .))