have someone's blood on your hands
US /hæv ˈsʌm.wʌnz blʌd ɑn jʊər hændz/
UK /hæv ˈsʌm.wʌnz blʌd ɑn jʊər hændz/
1.
to be responsible for someone's death, especially due to negligence or direct action
:
•
If the company doesn't fix these safety issues, they'll have someone's blood on their hands.
•
The dictator had the blood of thousands on his hands.