It's totally a risk calculation - the risk of being found guilty in a trial and doing the longer sentence vs definitely being convicted now and getting a shorte

It's totally a risk calculation - the risk of being found guilty in a trial and doing the longer sentence vs definitely being convicted now and getting a shorter sentence. If you know you're innocent and are being offered a year in jail now for pleading guilty vs 20 years in jail at a trial and the police are telling you they have seven people planning to swear they saw you did it - which do you pick?