Choose the sentence in this excerpt that demonstrates that the mill workers outdid the Pinkertons.
1. Peter went back outside to the scene of the riot, where the Pinkertons were retreating to the barges as thousands of mill workers descended on them.
2. Suddenly, the night sky blazed with flames!
3. In the midst of the confusion, Peter tripped over another wounded mill worker.
4. He helped him to the same house where he had taken Mr. Schwartz.