Complex sentence: He was shot as he, Sam, and Kensi ambushed an alleged terrorist, but it hit his bulletproof vest and he escaped with minor injuries, it was assumed that Renko is still in an undercover assignment outside of the United States.
Split into simpler sentences: He was shot as he, Sam, and Kensi ambushed an alleged terrorist, but it hit his bulletproof vest and he escaped with minor injuries. It was assumed that Renko was still in an undercover assignment outside of the United States.