Michigan Court Revives Suit on Detroit’s Gun-Detection Tech Use

A Michigan judge must revisit a ruling dismissing a lawsuit challenging Detroit’s use of ShotSpotter, as a divided Court of Appeals panel said police didn’t comply with an ordinance promoting transparency before contracting to use the crime-fighting surveillance technology.

Officials didn’t release a report about its intended expanded use of ShotSpotter—which attempts to locate shootings through a network of acoustic sensors—and possible civil-liberties infringements two weeks before the Detroit City Council started discussing whether to approve two contracts, the appeals court said Thursday.

The release of the report 14 days before discussions begin is required by a 2021 city ordinance ...