Man stabbed to death after threesome turns fatal in Brooklyn apartment building

A young man was murdered in an apartment in Brooklyn, US, following a threesome which went awry. One female and two men (a 20-year-old and a 21-year-old) were believed to have been involved in steamy sexcapade together when one of them allegedly started filming and this angered the female participant. Police sources revealed that the threesome ended the moment the filming started, with