after yet another argument, nique had called 911. >> gwinnett county 911. >> yes. my husband won't let me leave the house. >> my wife -- my wife is yelling and screaming and just woke up the children. >> reporter: officers dispatched to the leili home that day offered to help nique leave. but as this still photo shows she wouldn't budge from the front porch. >> she wanted him to go. he didn't want to go. he wanted her to go. she wasn't going to leave pretty much at an impasse. >> reporter: two weeks later, nique leili was dead. in a house where practically everything was recorded, the prosecutor claimed it was no accident that the video covering the crucial hours when nique leili went missing was somehow corrupted. >> the surveillance system was in fact recording during that time period, is that correct? >> that is correct, yes. >> reporter: the prosecutor countered matt's claim that police department's i.t. guy, chris ford, as her last witness. >> so detective, in your opinion did an individual have to go in and purposefully corrupt and delete those files? >> that

after yet another argument, nique had called 911. >> gwinnett county 911. >> yes.me leave the house. >> my wife -- my wife is yelling and screaming and just woke up the children. >> reporter: officers dispatched to the leili home that day offered to help nique leave. but as this still photo shows she wouldn't budge from the front porch. >> she wanted him to go. he didn't want to go. he wanted her to go. she wasn't going to leave without the girls. and so the argument -- they were pretty much at an impasse. >> reporter: two weeks later, nique leili was dead. in a house where practically everything was recorded, the prosecutor claimed it was no accident that the video covering the crucial hours when nique leili went missing was somehow corrupted. >> the surveillance system was in fact recording during that time period, is that correct? >> that is correct, yes. >> reporter: the prosecutor countered matt's claim that nique had somehow turned off the security system by calling the police department's i.t. guy, chris ford, as her last witness. >> so detective, in your op

while captain rahmani has been very successful, unfortunately she's receive numerous threats from gwinnetttions, condemnation from people inside the government, from outside the government. so basically if she were to return to afghanistan, she would be in fear of her safety. >> i want to get your response to an afghan general telling "new york times," quote -- i am sure she lied by saying she was threatened just to win her case. what's your response to that? >> well, i think that is a ridiculous quote. frankly i think that quote demonstrates the lack of support that unfortunately the captain has received in afghanistan. that's exactly frankly the response she received from other governmental officials when she would report such threats to them. they basically gave her a very dismissive response, they failed to investigate any threats and basically condemned her for doing what was her and her feat's dream to do, which is become a pilot for the afghan air force. >> captain rahmani, you've been threatened by the same wing that shot malala, who spoke out for women's education. she's become a

what we didn't know was that the whole federal courthouse was actually crawling with plain closed gwinnettnty police. >> they were taking him down that day. >> they were. we had no idea. >> sergeant john richter says the plain-clothed cops waited all day for just the right moment to make their move. >> get him on the outside of the courthouse. >> who makes the collar? how does it go down? >> myself and detective washington were there. put the handcuffs on him. felt pretty good. >> nique's family knew the feeling. >> i raised my hands and said, praise god. that was my reaction. >> in addition to facing a murder charge, matt leili was eventually charged with sexual assault and multiple counts of eavesdropping. a few weeks after his arrest, nique's daughters, amanda and rebecca, posted an edited video on youtube in support of their dad. in the video the girls claimed that their mother hated her own family and those same spiteful relatives were the primary reason their dad was in jail. for nique's family, that video was devastating. what, they wondered, had happened to those girls in the four