"Before we leave, we need to make sure they don't have any other innocent people in here," Raph said. "This was Lab four. They've got a whole facility. They might have other people like us trapped here and this might be the only chance they ever have of getting out. We need to make sure we're not leaving anyone."

Yes, he was worrying about the people that might need help. (Like a turtle do.)

"But first..."

With a dark expression on his face, he walked over to the table of tools, grabbed the nastiest looking scalpel there and stormed towards the unconscious-but-still-obviously-breathing scientists, his intent very clear.