abe anhang had suspected aurea had something to do in the murder of his son. the fbi would be willing to help. at the time, did you think, yeah, they said they're going to open a file. my file is going to be one of many files. did you think that they were going to be as adamant about pursuing justice as you were? oh gosh, i had no idea how much i could-- i mean, first of all, remember, i was canadian. i had no real right to demand things that an american citizen might demand, ok? i mean, i realized that. why would they take an interest? we aren't a priority for them. so i had to really rely on the goodwill of these men, almost all men, to do the right thing. that was all i had. narrator: the right thing in the fbi's mind was to take a closer look at what abe was telling them. and the fbi agreed to look at the case, why? we agreed to look at the case because of the notoriety of the case at the time. and it happened in old san juan, smack in the middle of the crown jewel of the caribbean. and it was a very high profile, very public case. narrator: the fbi can ste

alleged planning to elude the fbi, there was something, or rather, someone urea had overlooked, abe anhangmaller in stature. but what was your impression of him? adam's dad, abe, was just such a brave man. abe may a small man, but he is a powerful, smart man, able to modulate his emotions, strategic. do you think urea even knew what was coming her way? absolutely not. narrator: abe was not about to give up his pursuit. she couldn't run off to europe and start a new life all over again while we buried our friend and abe buried his son. it wasn't about retribution. it was about justice. and abe didn't stop. narrator: coming up, abe tracks urea on his own and shares what he learns with the fbi. she lied about her life the minute she showed up in italy. narrator: when "dateline" continues. you waiting for? narrator: urea had carved out a new life for herself in italy, a country, with laws that prohibited her extradition because the charges she faced carried a potential death sentence. all this, i think was planned out in her head. i mean, every move she made was calculated. narrator: the ongoi