Join Luisa on a journey to El Sepulcro to show your gratitude to De Santa for his 'hospitality' earlier on. You’ll eventually arrive at the cemetery with your accomplice and you’ll be reminded that you need to capture the Captain alive (so don’t plant a bullet in his skull - yet).
The Captain will spot you and order his men to attack, so go to cover and use the headstones and walls to lay up beside. Focus on the troops first (the red dots), as they’ll rip you apart if you try and head straight for the Captain.
Methodically work your way up the cemetery, taking cover and jumping over walls when it’s clear to reach the Captain. He’ll try and make a runner, so you can either give chase with your lasso at the ready, or you can use Dead Eye and shoot him in the legs to slow him down.
This’ll allow you to walk up to him and lasso him with less hassle. Once the interrogation ends, you have a choice to make. There’s no right or wrong choice here, but you gain more honour by allowing the rebels to finish the job off for you.
Now ride to Casa Madrugada and look around for your targets they’re nowhere to be found; and you’ll have an impending ambush to worry about in a moment! Make sure your rifle has plenty of ammo and take cover as troops pour out of the buildings you’re investigating!
Kill them all to trigger a cut-scene and you’ll have completed the last mission for Luisa.