put somebody out of their misery

"I will put you out of your misery before too long."

Or do you think they need to be put out of their misery?

He would have killed me if he'd had the chance, and I'd just put him out of his misery.

I want them to put me out of my misery.

He is ready to put us out of our misery.

I told myself they'd been put out of their misery.

I only put the poor thing out of its misery.

Perhaps, he thought, it was time to put the Earth out of its misery?

You should have let the state put me out of everybody's misery.

We can at least put it out of its misery.