Before Portland’s elected leaders decide on a vendor for a gunshot detection pilot program, the public heard from two companies vying for a city contract. The city plans to launch a year-long pilot program in neighborhoods with frequent gun violence. During an April 25 community meeting held on Zoom, representatives with SoundThinking, the company formerly called ShotSpotter that sells technology under the ShotSpotter brand, said the gunshot detection hardware can identify gunfire with at least.