Listen to the conversation.

New technology brings with it new powers and questions. Since Detroit police began using facial recognition technology, there have been questions about when, how, and if it should be used.

Nancy Kaffer is a columnist with the Detroit Free Press. She talked to Morning Edition host Doug Tribou about how she sees its use as a complicated mix of practical and ethical concerns.

You can read Kaffer’s writing on the opinion page at Freep.com. You also can follow her on Twitter.