Not necessarily.
3 seconds sound clip from the The Green Hornet, Ep: 10, 11, 24, 25 TV Series.
You can hear this line at 00:09:02 in the DVD version of the movie.
Quote context
[...]
- Any more unfriendly greetings?
- Come on, all you had to do was knock!
- Then you would have misunderstood the purpose of my visit.
- You didn't waste much time moving in behind Hurk's desk.
- Somebody had to run the operation. I was number two.
- Maybe with the idea to become number one?
- Do you mean that I knocked Hurk off?
- You got me all wrong. How would I know?
- He did. But he was killed before he could tell me.
[...]