Dallas Robot Bomb
Police had cornered a murder suspect. There were negotiations and there was exchange of gunfire.
Normally this stand off would have been maintained as long as possible. The way these things end, usually, is that the suspect gives up, the suspect kills themselves, there is what the police would call a "fair" exchange of gunfire* and the suspect is wounded or killed, etc.
But the police had a new tool they could use to shorten the time span for such standoffs. They blew the suspect up with a bomb delivered specifically for that purpose. A robot drove over to the suspect, got the bomb near…