angela went with me, and i met detective carrie hull. and i was so scared, i thought that she was going to start bombarding me with questions. >> so, where do you think would be the best place to start? >> i was really afraid, and then we just had a very natural conversation. and it was slow, and i was in control. >> reporter: but detective hull knew this would be a challenging case. >> she doesn't even have the memory fully of the assault. you know, there wasn't anybody else in that room except her and luke. >> reporter: that was the key -- luke's earlier admission to nikki would never be enough, so detective hull makes a bold suggestion. >> i instantly thought of a spy movie. and i thought, "this is the weirdest thing i've ever been asked to do." >> reporter: niki was asked to lure her ex-boyfriend back to her apartment to get another confession -- but this time on tape. >>> when we come back -- >> oh, my gosh. don't mess this up. >> watch how niki sets the trap to get him to admit his >> come in. >> next. ♪ ah, push it. ♪ ♪ push it. ♪

the upturned hull was noticed on saturday. it was carrying cement to the west coast of the u.k. italian investigators have been surveying the inside of a cargo ship that was abandoned at sea. with hundreds of migrants aboard. itharry fawtionette fawcett reports. >> gang ways still littered with possessions, suitcases stuffed with all they could bring on the voyage left abandoned. too great a hurry to escape from the stleafl had vessel that had promised them freedom. cages designed for animals were the migrants' sleeping quarters. the beds and debris left behind. gathered on the decks wrapped against cold night air as the ship was finally brought into port. waiting to bring them into shore an italian medical team. one of their voices voices. >> we need to create humanitarian corridors free from the greed of human traffickers that prey offs the desperation of these people. >> in the dark and rougher seas after it became clear the crew had simply abandoned the ship to the mercy of the sea. it was a second such incident in four days, after another vessel with nearly a thousand on bo

carrying a load of cement from denmark to english coast. that ship ran aground saturday as well. a spokesman said severe weather may have been a factor. the chilling photoshoes the hullned on the ship before it safrnth. >> there was a spat of stories of how he was a chest master and outmaneuvering the west and mr. obama and this and that and the other and right now presiding over the collapse of his currency and financial crisis and a economic contraction. that doesn't sound like somebody who rolled me or the united states of america. >> the president giving his take on vladimar putin before his christmas vacation. but this year the chessboard, the key alloy said it is time to lift the sanctions on rushiasm the french president said sanctions must be removed in order to make progress on talks concerning ukraine this month. is that a good idea? will other u.s. allies go along with it? we'll have fred here. what do you think about this and walk us through the right decision here. >> happy new year and welcome back. what concerns me when i hear the statement he has not thought through the strategy of putting economic sanctions against a nuclear armed state with an unpre