What type of sentence did an offender receive if upon completion of a five year term in prison for one crime he must then serve three years for the second of multiple crimes?

The offender received a consecutive sentence. This means that after completing the five-year term for the first crime, he must serve an additional three years for the second crime, resulting in a total of eight years in prison. Consecutive sentences are imposed for multiple offenses, requiring the offender to serve each sentence one after the other.