A mayor has stepped down from his position amid a federal investigation. James M. Decker resigned effective immediately on Friday. His resignation is linked to a federal wire fraud case.

Further details about the case and Decker's resignation are available from the source. The resignation took effect immediately, indicating a swift decision.

The circumstances surrounding Decker's resignation are tied to a federal investigation, but additional information would need to be obtained from the source for a more detailed understanding of the situation.