Charlie's Promise Part 3, When the Past and Present Collide - West's Ghost Ranch, #6

The Detroit police thought they had located Howard Collingsworth, but when they attempted to capture him, he gave them the slip, killing ten Flint Michigan police officers in the process. He headed west to a place where he was certain no one would find him, not even the South Africans. But a misdelivered email found its way to the ranch. The South Africans, unable to find Howard, have a problem and have changed the intent of their searching; they added Emli's sister and her lookalike to their hit list, wanting all three eliminated.
Then, on a routine mail run, two of Howard's hired henchmen ambushed Dani and Charlie at the Trinidad airport.  Dani was injured and Charlie was missing-