References in classic literature ?
Granted that my fancy for Hetty was only a cloud of illusions, still I could not, within a few days of her sudden death, go in cold blood to take part in a grotesque and heathenish mummery over her coffin.
They now exclaimed against punishing in cold blood, and sang forth the praises of mercy and forgiveness.
But now I went to it in cold blood, and my heart often sickened at the work of my hands.
By murdering a large and respected family in cold blood and afterward depositing their bodies in the water companies' reservoir, you will gain much unpopularity in the neighborhood of your crime, and even robbing a church will get you cordially disliked, especially by the vicar.