(Portland, OR) -- A prolific graffiti vandal in the Portland area is facing prison time. A Multnomah County judge has sentenced Jacob Ramos to four years in prison. Ramos used the tag B-I-E-R. He was convicted of 51 crimes relating to defacing public property. The Deputy District Attorney said the sentence should send a strong message to other graffiti vandals that there are serious consequences for their crimes.