Never really thought about it, The few times they’ve checked on my roommates it’s just been the local PD.
You are correct....that is normal....simply PO shows up...if they like you they will tell you ahead of time
SWIM knows this for a fact....lol
This was not a routine check
Likely in the ghetto or projects for a non complaint parolee with HOD
they use stronger LEO arms to sweep projects and probation violations are a convenient snare to grab targets