Hades v1

HERE IS THE PUZZLE. IT, THE PUZZLE IS A FAIRLY COMMON ONE. A WHO IS LYING PUZZLE. HERE WE, ALL OF US. HAVE 4 DOGS AND A MAN WHO HAS BEEN KILLED. NOW I NEED YOU TO FIGURE OUT WHICH OF THESE DOGS ARE LYING, AND WHICH DOGS ARE NOT. NO NEED TO FIGURE OUT WHICH ARE THE MURDERERS.
[Hades whistles, and 4 dogs come forward.]