Documented evidence
The verified official register entry lists Roland Haller as registered in the lawyers’ register with the professional title lawyer at Muri AG in 5630 Muri AG.
Source
Amtliches Anwaltsregister Kanton Aargau · https://www.ag.ch/de/themen/recht-justiz/informationen-fuer-die-anwaltschaft/anwaltsregister/register
Context
This entry reflects only the verified state of the source. It does not imply any further legal or personal assessment.