Valerio O., a former senior public affairs manager for Huawei in Brussels, once navigated the European Union’s labyrinthine institutions with ease.

Today, he finds himself at the centre of a wide-ranging investigation into alleged corruption, in which authorities are examining whether the line between lobbying and bribery was crossed.

An investigation by Euractiv in collaboration with De Standaard and Le Vif unveils the testimony given by Valerio O. to police.

By Nicoletta Ionta and our new Chief Brussels Correspondent Elisa Braun.