I know it can be difficult to search for answers when you have questions. I did a deep dive into the subject matter, and found the following info hidden within the first sentence:

Overtime pay for cops in New York’s subway system increased from $4 million in 2022 to $155 million over the same period in 2023, according to an analysis by Gothamist.

Thankfully there are a lot of grifters so at least we hope corruption reduced their arsenal