the cops are now rebooting their case and the timing couldn't be worse for matt leili. town. in federal court in atlanta to testify in a civil lawsuit over nique's life insurance money. matt's lawyer in that case, jeff diamond. >> my perceptions is that he was a caring father. he was a big teddy bear really. >> reporter: but big teddy bear has a big problem. were you there in the court? >> i was outside. >> reporter: matt leili leaves the courtroom and gets in the elevator. he thinks he's going to down to the lobby, but he's just going down. detective richter arrests him right there at the courthouse. did you get to put the cuffs on him? >> i did. and it felt good. >> we're finding out what led gwinnett county police to charge a husband in the murder of his wife 3 1/2 years ago. >> reporter: our affiliate, wsb, went straight to nique's sister amy and showed her this video of her nemesis in custody. >> it's a thing i've kind of pictured in my mind for a while, but kind of had doubts as to whether i would actually ever see it. >> reporter: matt leili can forget about spen