cold-blooded

And in helping Bertha, the children had caught the admiral’s eye, and now they, too, had become part of his cold-blooded moneymaking schemes.

It was murder, cold-blooded murder because he didn't get his own way.

Need I mention that a gecko is a cold-blooded lizard?

Speaking at the podium with a somber tone, Harbaugh said he met with Harris at halftime and described the running back’s demeanor as “cold-blooded,” adding that he told him: “You’ll be back, kid.”

However, Elon Musk, billionaire boss of X, has weighed in, claiming that the "radical left celebrated the cold-blooded murder of Charlie Kirk," and adding, "unity is impossible with evil fanatics who celebrate murder".