Dirty war survivors question suspect on trial in Spain

The video provides a brief overview of Omiya station, highlighting its location on the JR Omiya Line and its surroundings. It then shifts focus to legal proceedings in Spain, discussing the use of videoconferencing in trials and efforts to prosecute individuals for genocide.

What is the relationship between the trial and the concept of genocide as mentioned in the text?

How does the text describe the legal consequences for being a witness versus a participant in genocide?