Please answer this riddle for me?

[MsMeeks]

While Walking down a country road near his home, Billy Moonshine saw a murder.He calmly continued on his way, without bothering to notify the police-- Why Didnt he call the Police?

 

[нσℓα вєвє]

He was the murderer?

 

[Angel H]

a group of crows is called a murder =)