他残忍地枪杀了三名警察。

He shot three policemen ___in ___cold ___blood.

那名特工在会面地点被残忍地处决了。

The agent was executed ___in ___cold ___blood at the meeting point.

受害者是被残忍谋杀的。

The victim had been murdered ___in ___cold ___blood.