The ordeal started in the morning when the man, Alexander Michael Sardinas, 37, and a MIchelle Lynne Peterson, 43, were turned away from the checkpoint at mile marker 112.5 as passengers in a taxi. Even though Sardinas lives in Tavernier and Peterson is from Islamorada, they did not have the proper identification or paperwork showing they either live or work in the Keys, said Adam Linhardt, sheriff’s office spokesman.