Servants of the Borgia believe they can hide behind the church, their actions protected by the clothing they wear. Make an example of a cardinal. Kill him before he reaches the sanctuary of San Pietro. ~Niccolò
Kill only the cardinal.
Ezio Auditore received a contract from Niccolò Machiavelli to assassinate a Borgia cardinal.
Ezio assassinated the cardinal, demonstrating that the church could not protect the Borgia followers.