A resident of the municipality wanted by police warrant. What for?

Bolesławiec District Police Headquarters:

Beniamin (...), aged 41, most recently residing in the Nowogrodziec municipality.
The man is wanted under a police warrant to serve a prison sentence for burglary.

It adds:

Please send any information that may help establish the whereabouts of the wanted man to the Criminal Division of the Bolesławiec District Police Headquarters at 47 87 33 320 (on working days from 7:30 a.m. to 3:00 p.m.) or, around the clock, to the unit duty officer at 47 87 33 200 or 47 87 33 201.

And it emphasizes: – We guarantee anonymity.