Two more men, accused in the mailbox-smashing spree last fall in McKean County, have pleaded guilty to criminal mischief. 19 year-old Zachary Bartlebaugh and 19 year-old Eric Mackey were both charged with causing $4,243 dollars damage to mailboxes and $2,033 damage to area signs and a garage door and scattering garbage along Crookerhouse Lane in Bradford Township. Mackey and Bartlebaugh will both be sentenced on June 2.