The underground railroad: What would have happened if you were caught working on it? 10 points?

In the time of the slave trade there was something called the underground railroad, i know what it was and all, but im doing a histroy project bout it and one of the questions we hav2 answeer is wat wud hav happened to you if you were caught working on it ?? so can anyone hlp me?? 10 points best answer m, thank-you x