After the remaining three succeeded in defeating the snake after much effort, they can proceed. But Piers saying that it's not safe inside the building. Realizing that Chris would stop at nothing to kill Carla, Piers confronted his Captain with regards to the deviation from the mission. Unfortunately, Carla had chosen that time to attack, infecting Marco with the C-Virus before escaping. Chris and Piers have no choice but to kill him, otherwise he'll do the same for them.
Piers: This is crazy! It's not safe in here.
We need to pull out!
Ada: Looking for me, boys?
Welcome to China.
Piers: We've got no choice - we have to kill him!
He'd do the same for us.
- Hideki Osada, ed (2012). BIOHAZARD 6 Official Complete Guide. Famitsu. ISBN 978-4-04-728612-2.
- Resident Evil 6 Signature Series Guide. BradyGames. 2012. ISBN 978-0-7440-1422-8.
- BIOHAZARD 6 STORY GUIDE. Capcom. 2013. ISBN 978-4-86233-392-6.