Sunan Ibn Majah
2616
Sahih+3

It was narrated from Abdullah that the Messenger of Allah (ﷺ) said:“No person is killed wrongfully, but a share of responsibility for his blood will be upon, the first son of Adam, because he was the first one to kill.”

SahihAl-Albani
Sahih LighairihiMuhammad Fouad Abd al-Baqi