&gt;&gt; Wonder if it pays to have every police gun have a GPS&#x2F;microcontroller which uploads over cellular the GPS corrdinates and timestamp whenever the gun is discharged<p>There are already a myriad of procedures in place for dealing with weapons being discharged.<p>You do realize its standard procedure in most states that if an officer discharges his weapon in any scenario other than department training or range practice its investigated by the department? This includes accidental discharges, warning shots, and shooting at animals and other scenarios. Also, the last time I checked with a buddy who&#x27;s a cop, they have to check out and check in their firearms and ammunition. Any discrepancy between check out and check in, and a report has to be filed.