Relationship

What would you all do if you found out your 5month boyfriend was a sexual Predator 17yrs ago? Something just kept telling this person to look his name up on the sex offender web for 2months because he give me this weird vibe so I did. And lie and say the information was wrong in the system🤦🏽‍♀️🤦🏽‍♀️but im sure the system not goin to lie right🤦🏽‍♀️And he gave a promise ring🤦🏽‍♀️ what will you all do?