With Friends Like These

With Friends Like These is a memory in Assassin's Creed II.

Description
Ezio follows Jacopo de' Pazzi to the Roman Theatre outside of San Gimignano, where he eavesdrops on a heated up conversation between Rodrigo Borgia and Jacopo. Rorigo Borgia kills Jacopo because of his failures and says to Ezio,

"Sorry to take away your prize assassin."

His men then make an futile attempt to kill Ezio. Ezio goes to the body of Jacopo and puts him to rest.

Outcome
All of the Pazzi, as well as the people who conspired against Lorenzo de' Medici are killed.

Glitches
There is a glitch where Ezio can kill Jacopo without entering the memory corridor.

Select a weapon other than fists, throwing knives, hidden blade, or poison blade, and approach Jacopo until you see the control HUD display "Interact." Now back off a little until the control HUD displays "Attack." Face Jacopo and press the attack button to kill him with your selected weapon.

Pick up Jacopo's body and carry him to a well. When you dump him into the well, his body will slowly sink. Eventually, the game will stop modeling his body as he sinks out of existence. Don't worry - you can still complete the mission. Just go back to the interaction zone at the Roman Theater. It's marked as the red target on the mini-map. You'll see the control HUD change to "Interact" when you are in the right spot. Press the interact button to start the assassination animation and cutscene.

This process can be seen in the video below.

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