Get 100% Synch by performing the corresponding tasks in the following Courtesan missions:
MISSION - TASK "Property Dispute" mission - Stop Santino before he beats up the Courtesan. "Old Habits Die Hard" mission - Assassinate the target from a hiding spot. "The Morning After" mission - Complete the mission in under 400 seconds. "Running Scared" mission - Kill only the ambassador. "Live Bait" mission - Kill a target using the ledge grab. "Malpractice" mission - Do not kill the doctor. "Closing In" mission - Kill the target using the hidden blade. "Bad Politics" mission - Kill all targets in under sixty seconds. "Troublemakers" mission - Finish the mission with both mercenaries above half health. "Ghostwriting" mission - Complete the mission in under two minutes and twenty seconds.