Overview

• Corey Alvarez, 26, is accused of raping a 15-year-old disabled girl at a migrant shelter in Rockland, Massachusetts.
• Alvarez, who entered the US under a controversial parole program, was released on low bail despite serious charges.
• Authorities lost track of Alvarez after he was fitted with a GPS monitor and released from custody.
• Prosecutors had requested a significantly higher bail and argued Alvarez posed a danger to the community.
• The case has intensified debates over immigration policies and the safety of housing migrants in local shelters.