welcome back to cnn newsroom. oscar pistorius arrived at court just a short time ago for day 14 of his murder trial. this could be a pivotal week. the prosecution is expected to call just four or five more witnesses and then may rest its case. this week may also see the moment many have been waiting for. oscar pistorius could take the stand in his own defense. he's charge with killing his girlfriend, reeva steenkamp. israel has finished building a border fence with egypt, what it hopes will be a front line against lawlessness. so far it's reduced human trafficking and drug smuggling, but will it be effective from stopping extremists from launching attacks in the area? >> reporter: smaking through the sinai mountains is israel's latest defense against terror. a newly completed, 264 kilometer