the Gmail account, the Kickman account that you guys initially received with the photo of you in it. >> Uhhuh. >> And the the phone number, those originated through their IP addresses >> Uhhuh. >> at your office. >> The case began when Daniel Krug called for a wellness check on his wife, Christy. He told police he was concerned after she failed to respond to a text message. Officers arrived at the home to discover a horrific scene in the garage. Christy had been brutally beaten and stabbed to death. [Music] Daniel immediately told investigators that they were being targeted by a dangerous stalker. Just a month earlier, the couple had filed a police report about the harassment. Christy presented a log of explicit and threatening messages from a supposed ex-boyfriend. So anyway, that's that that made me go, "Is this his number? Where is he right now? What kind of car is he like?" Like, "This was alarming. He's never said this kind of stuff to me before." >> During his own interview, Daniel claimed he initially thought the threats were just online trolling. He also admitted his marriage was on the rocks, attempting to mislead detectives. Now, he performed as a guilt-ridden husband who failed to protect his wife, but the investigation quickly revealed major problems with his story. was found covered in blue painters tape. >> He said they were turned off and one of them looks like it has something on it. >> Detectives then tracked down the ex-boyfriend in Utah, more than 8 hours away. >> 1999. >> Oh, so like a like a long while ago. >> She was my very first girlfriend ever. >> Oh, okay. >> Um, when was the last time you talked to Crystal? Has it been a a minute? >> Um, it's been a minute. Yeah. I accept you move from >> with the primary suspect cleared. All eyes turned back to the grieving husband. That is when detectives confronted him with the damning evidence about the IP address. >> And there's public Wi-Fi access throughout the entire facility and we literally post the passwords in every single meeting room. The investigators saw through his flimsy excuse, proposing their own theory. Daniel had created the entire stalker persona himself to terrorize and murder his wife. Faced with the evidence, Daniel's elaborate web of lies completely collapsed. He was convicted of first-degree murder and sentenced to life in prison.