Philadelphia,PA,USA
Police said he claimed to be addicted to spray-painting graffiti.
Police said Travis Stone, 20, and a 16-year-old boy have already confessed to painting the graffiti and said they will turn themselves in on Monday.
Each suspect faces 40 counts of felony criminal mischief.
Police said the pair is responsible for $15,000 worth of damage in Coatesville, alone.
The two are also under investigation for graffiti in Allen township and Brandywine township.