PLAINFIELD - A mother and son from Plainfield are accused of beating to death volunteer firefighter, Bill Koonz.

Police say that they found Koonz dead inside his house on Merchants Avenue in South Plainfield.

Neighbors report that Koonz and suspect James Thomas had a past connection, but haven not confirmed what the relationship entailed.

James Thomas and his mother, Shelley, are currently in custody and held on $2 million bail.