The problem is you killed the wrong McKendrick.
5 seconds sound clip from the Silverado movie soundboard.
You can hear this line at 00:54:27 in the Blu-ray version of the movie.
Quote context
[...]
- Gonna cut McKendrick off in the north.
- A man could die of thirst before anybody offered him a drink around here.
- Maybe you oughta come to California with Jake and me.
- There's nothing wrong with the land. It's just some of the people.
- The problem is you killed the wrong McKendrick.
- Watch what you're saying around Augie.
- Well, it was self-defense sure enough.
- But I do think you'd have to say I killed old Murdo.
- I think that's definitely the word.
[...]