<p>RICHMOND, Va. — Three young men pleaded guilty to vandalizing more than 25 sport utility vehicles (search), construction equipment and building sites on behalf of a radical environmental group.</p>
<p>The three, who were in high school at the time of the attacks in the Richmond suburbs in 2002, face up to five years in prison at sentencing in April. Under the plea agreement announced Monday, they must also repay more than $200,000.</p>