It was I that VS It was me that
*
This is 'it that emphasis' senetence.
In this case, which one is right?

1. It was I that gave Bill her DNA sample in my laboratory yesterday.
2. It was me that gave Bill her DNA sample in my laboratory yesterday.

Question

It was I that VS It was me that
*
This is 'it that emphasis' senetence.
In this case, which one is right?

1. It was I that gave Bill her DNA sample in my laboratory yesterday.
2. It was me that gave Bill her DNA sample in my laboratory yesterday.

Answer

"It was I" is grammatically the correct answer, but this is a case where many English speakers make a grammatical error, which is why you see "it was me" that did it. You probably sound less pretentious if you say "it was me", on the other hand, it's grammatically incorrect :p.