While walking down a country road near his home, Clem Kadiddlehopper saw a murder.
He calmly continued on his way, without bothering to notify the police.
Why not?
(In reply to
Solution by fwaff)
<simpsons>
Marge: I'm not comfortable with a gang of crows living in our bedroom!
Homer: Murder, honey. It's a murder. A group of crows is called a murder.
</simpsons>
'nuff said.