you are a criminal running away after a bank robbery. You were constantly being chased by the turtles since they were the heroes and you were "a villan". Suddenly you got knock out. After some time you woke up in a alley, tied up on the ground. And the four turtles were infront of you.

Leo: we finally did it! Raph: dont get too excited, we're not done yet Donnie: lets see, yep, thats the one thats been going trought the city recently

they dosent seem to notice that you were awake yet