Complex sentence: When bureaucracy intervenes with Borniche's attempts, and politicians and the media speculating, he uses the assistance of another criminal, Paul Robier (Crauchet) to apprehend Buisson, who is captured after having committed over 30 murders and 100 robberies.
Split into simpler sentences: When bureaucracy intervenes with Borniche's attempts, and politicians and the media begin speculating, he uses the assistance of another criminal, Paul Robier (Crauchet) to apprehend Buisson. The serial killer is finally captured after having committed over 30 murders and 100 robberies.