это я убил

it was me who killed

→ это
phrase Rare #31,508
it was me who killed Emphatic way to say that you were the one who did the killing.
RU: Это я убил монстра.
EN: It was me who killed the monster.

Это я убил Рейеба.

I was the one who killed Reyeb.

— Пророк (2009)

Это я убил.

I killed it.

— Следствие по делу гражданина вне всяких подозрений (1970)

Это я убил Наго.

It was I who killed Nago.

— Принцесса Мононоке (1997)

Это я убил твоего брата.

It was I who killed your brother.