In this photo provided by the Sustainability in Prisons Project and The Evergreen State College, Mathew Henson, right, shows visitors an Oregon spotted frog during a tour of the Sustain

 

              In this photo provided by the Sustainability in Prisons Project and The Evergreen State College, Mathew Henson, right, shows visitors an Oregon spotted frog during a tour of the Sustain
In this photo provided by the Sustainability in Prisons Project and The Evergreen State College, Mathew Henson, right, shows visitors an Oregon spotted frog during a tour of the Sustainability in Prisons Project at Cedar Creek Corrections Center in Littlerock, Wash., Thursday, Sept. 12, 2012. Henson and other inmates work as ecological research assistants, partnered in recent years with scientists doing conservation projects. (AP Photo/The Evergreen State College, Shauna Bittle)