who killed karlyn ramirez? oyfriend and records show that her ex husband maliek kearney was hundreds of miles away when she was shot. it was time to broaden the search for answers. soon, investigators would make a remarkable discovery varied in a trail of electronic clues. once again, here is the alibi. it had been months since karlyn ramirez had been found murdered at home with her infant daughter in her arms. with all of the league's exhausted, homicide detectives wonder if karlyn's death might be part of a pattern. they reached out to profilers with the fbi's behavior analysis unit. fbi special agent jonathan schaffer would join the team. >> the stories that the husband is in south carolina, there is no apparent, likely suspect. the first thought is a serial killer or an unknown individual, -- >> had there been any serial killers in the area that could possibly tie does? >> no, there wasn't at that time. it was a long shot. >> did this lead anywhere? contacting the b a u? >> their opinion was that probably so