Speculation begins on who could be tapped to replace DPD Chief James Craig

"I think right now you take someone, not necessarily from the current rank, but someone who's been a part of DPD in the past," said Steve Dolunt, retired Assistant police chief. "For instance, a James White, Elvin Barren, Eric Jones, even a Renee Hall, who was a chief in Dallas.

Retiring DPD Chief James Craig leaves city looking to fill big void

"We still are dealing with a lot of violence as is every big city in the country," Duggan said. "This is not going to be a period of time where we tread water. I am expecting an interim chief to come in and be very aggressive in dealing with the gun violence."