His opponent was jailed with zero proof, in a sham that clear at the time for anyone that understands the justice process. But recently it was clear for everyone with the judge Moro leaked WhatsApp messages.
Edit: we've had to ask you multiple times not to do political flamewar on HN. Please don't use this site for political battle, even if other commenters are wrong or annoying. It destroys the intellectual curiosity that HN exists for.