in cold blood
in a cruel and deliberate way

[TahlilGaran] Dictionary of Contemporary English ▲

in cold blood
if you do something, especially kill someone, in cold blood, you do it in a way which is cruel because you plan it and do it without emotion.
Four men were charged with the killing, in cold blood, of a French tourist last summer.

An unarmed boy was shot in cold blood outside his home yesterday.

[TahlilGaran] English Idioms Dictionary ▲

in cold blood
without feeling or pity, cooly and deliberately
The family was murdered in cold blood by the criminal gang.

[TahlilGaran] English Idioms Dictionary ▲

in cold blood
adv. phr. Without feeling or pity; in a purposely cruel way; coolly and deliberately.
The bank robbers planned to shoot in cold blood anyone who got in their way.
The bandits planned to murder in cold blood all farmers in the village by the river.

[TahlilGaran] English Idioms Dictionary ▲