The identity of the perpetrator could be determined through DNA analysis.

Euler's identity e^{i\pi} + 1 = 0 is an important equation in complex analysis.

Many identities shape our society.

The proof of identity was required during registration.

You must present proof of identity to open the account.

The identity documents must be presented at the registration.

You must present identity documents.

Identity theft is a serious crime.

Identity politics is an important part of societal discourse.

She went through a severe identity crisis after losing her job.