Who could potentially replace James Craig as new Detroit Police chief If and when Craig retires, the big question is, who will take over and lead the department? Posted at 9:23 AM, May 08, 2021 and last updated 2021-05-08 09:23:15-04 (WXYZ) â Sources confirmed to 7 Action News on Friday that current Detroit Police Chief James Craig is expected to announce his retirement next week. The news comes from a source close to the 64-year-old chief. A news conference has been scheduled for Monday. The expected announcement comes as rumors swirl that Craig could run for office, possibly challenging Michigan Governor Gretchen Whitmer. Sources are also telling 7 Action News Craig is evaluating a run for the office.