1. The murderer killed his victims in cold blood, showing no remorse for his actions.
2. The criminal planned the robbery in cold blood, calculating every detail to avoid getting caught.
3. The soldier carried out the assassination in cold blood, following orders without question.
4. The killer's confession revealed that he had committed the crime in cold blood, with no emotional attachment to his victims.
5. The hitman executed the target in cold blood, showing no hesitation or mercy.
6. The psychopath committed the murders in cold blood, enjoying the thrill of taking another's life.
7. The serial killer stalked his victims and murdered them in cold blood, leaving no trace of evidence behind.
8. The dictator ordered the mass execution of political dissidents in cold blood, silencing any opposition to his rule.
9. The gang member shot his rival in cold blood, settling a score without remorse.
10. The terrorist detonated the bomb in cold blood, causing devastation and loss of innocent lives.