"suspect one's involvement" — Kollokationen-Wörterbuch Englisch

Automatische Übersetzung (wir garantieren seine Korrektheit nicht): podejrzewać czyjś uczestnictwo
  1. suspect Verb + involvement Substantiv
    Schwache Kollokation

    The woman had suspected her brother's involvement with the cartel and had eventually persuaded him to go to the police.