I don't know if the secret service is using a modified DJI or their own in-house design but they were testing a non-RF teathered drone: https://www.dhs.gov/pub

I don't know if the secret service is using a modified DJI or their own in-house design but they were testing a non-RF teathered drone: https://www.dhs.gov/publication/dhsussspia-020-united-states-secret-service-counter-surveillance-division-unmanned https://www.dhs.gov/publication/dhsussspia-020-united-states...