Yes they did.

This isn't really a leak Senator Charles Grassley got the after action report and gave it to the NY Times

One of the countersnipers took pictures of him, according to a law enforcement after-action report, which along with the texts from the Beaver County Emergency Services Unit was provided to the Times by the office of Sen. Chuck Grassley, R-Iowa. The text messages were independently verified by the Times. https://www.seattletimes.com/nation-world/gunman-at-trump-rally-was-often-a-step-ahead-of-the-secret-service/

Yes they did.

This isn't really a leak Senator Charles Grassley got the after action report and gave it to the NY Times

Here's a non paywall version

https://www.seattletimes.com/nation-world/gunman-at-trump-rally-was-often-a-step-ahead-of-the-secret-service/?utm_campaign=owned_echobox_tw_m&utm_medium=social&utm_source=Twitter#Echobox=1722205578-1