Detroit Mayor Mary Sheffield declines comment on OIG investigation into Bettison call with activist According to ClickOnDetroit | WDIV Local 4, Detroit Mayor Mary Sheffield declines comment on OIG investigation into Bettison call with activist. Source: ClickOnDetroit | WDIV Local 4 Reported Sep 22, 2026 4:39 pm Posted Sep 22, 2026 5:57 pm Share noticeBrowse archive