Like I had said earlier, you could've reported the investigation & /su abuse to the ARPD, instead what I've got were reports that were of the past;
As administrators we have to witness the rule in question being broken to act on it, if this is not the case they cannot be considered legit either; despite it being true.
Here's why the e-mail or ARPD forums come to play; If you have taken screenshots of the events then you could've reported them on those locations, Instead all I got was
imperfect behavior expressed by you due to the facts, being borderline provoking/insulting.
In the future I hope you will take consideration of taking evidence and reporting these people on the
ARPD forums if they break a SAPD-related rule, or to /report them in-game if they break a server rule, and on the right timing.
You cannot investigate the past when there are no traces to follow.