Oxygen for Season 15 with all new-stories of love stories that end in death. Then, every night that week until Friday, May 28, a new episode of "Killer Couples" will be airing at 8/7c. Oxygen's hit series takes a deep dive into romance gone wrong as couples conspire to kill, whether it be to get rid of a third point in a love triangle, for greed, or even simply just because they want to. Here's what to expect during the new season of "Killer Couples": Sunday, May 23 at 8/7c: Ailsa Jackson and Michael Walker When the wife of an Army medic is discovered murdered in her Hawaii home, the ...