In Stereo Where Available Red vs. Blue : Season 2 Episode 9

Tucker and Caboose catch up to Lopez, who refuses to re-join them and instead orates at length about oppression and the advent of a new day for his people. Sarge and Simmons try to run him over with the Warthog having mistaken him for a Blue soldier, but Lopez activates the Warthog's remote destruction sequence in self-defense and, feeling betrayed, defects to the Blues.