In a cold unemotional manner
Synonyms:
  1. coldly
  2. calculatedly
  3. callously
  4. coldheartedly
  5. cruelly
  6. dispassionately
  7. heartlessly
  8. indifferently
  9. intentionally
  10. premeditatedly
  11. unemotionally
  12. unfeelingly
  13. with full intent