At the end of “Chapter Twelve” this evening, Sofia, Mateo’s wife, found an envelope full of money, which she only found because he tipped her off to its location.

Source: https://www.cinemablend.com/interviews/perry-mason-season-2-showrunner-opens-up-about-the-hbo-shows-latest-twists-and-giving-the-main-characters-a-learning-curve

However, Frugoli made no move to investigate the officers that landed Mateo in the hospital, even after Mateo’s attorney, Charles Dresow, provided the videos to the media and public outrage grew.

Source: https://pacificsun.com/frugolis-follies-upheaval-in-the-das-office/