>Might be some ideas at https://www.codeproject.com/Articles/389725/How-to-find-the-active-SQL-connections-and-kill-th .

This is good to know.

However, I know this is from that application. That is shown from the result of that query.

I am trying to squeeze some portions of the code to isolate where exactly a trace remains active. I always assume this was created for fraction of a second but something remains in memory.